From 5e5f5ddc2a4980b292279d99710d18e84fc1ce60 Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Thu, 23 Nov 2017 14:36:51 +0530 Subject: modified --- help/en_US/master_help.xml | 394 --------------------- help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 11007 -> 10417 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1499 -> 1436 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 687 -> 678 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 46489 -> 43853 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 24576 -> 24576 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 4 - help/en_US/scilab_en_US_help/jhelptoc.xml | 4 - 9 files changed, 1 insertion(+), 403 deletions(-) (limited to 'help') diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index ab18d66..ae11d68 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -1,201 +1,6 @@ -<<<<<<< HEAD - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -======= @@ -389,7 +194,6 @@ ->>>>>>> 9f6962b19c4a5fa76f7525a72faabb1b754712ad ]> FOSSEE Signal Processing Toolbox -<<<<<<< HEAD - -FOSSEE Signal Processing Toolbox -&a81320b4221ec0c937db241f3f09761d9; -&a96531f053d1d3aca0c8998446e7ba88a; -&a44e8c63cbbbfce58373a4d528cc59bda; -&a44baa1c529b4c2034108849f08147667; -&a64ecf6e721160dfb163621e4a3a00d0f; -&aff6d91054f11396fab566c3b7097e225; -&a8128572f33478b9c8c764de03cf89fc4; -&a782c9cd4d7dad9d24a672148080e384c; -&a0be563c94e1e42b7735567091463661e; -&a4b0f0cf49b01fcbb7aedef41c40d0e25; -&a8ee66630c6b42252d90d4304e8af282c; -&a1c12c9e7e5cac759289269fdedd8905c; 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a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 5485e84..5924134 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index 90f6c0f..bc4b510 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 1cfd696..57f16b8 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 77ece74..ae59ae0 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index cdbc5eb..677736a 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=1968 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=1967 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index 775f37b..86faf37 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index dc549a4..f8e4965 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -2,11 +2,7 @@ -<<<<<<< HEAD - -======= ->>>>>>> 9f6962b19c4a5fa76f7525a72faabb1b754712ad diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index f1e0621..d47d3dc 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -2,11 +2,7 @@ -<<<<<<< HEAD - -======= ->>>>>>> 9f6962b19c4a5fa76f7525a72faabb1b754712ad -- cgit From 11f08cc395ea1b0de77af3dbb87a985418fc3800 Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Fri, 24 Nov 2017 19:19:30 +0530 Subject: Created xml help files --- help/en_US/ac2rc.xml | 29 +- help/en_US/arburg.xml | 4 + help/en_US/arcov.xml | 24 +- help/en_US/aryule.xml | 2 + help/en_US/besselap.xml | 71 ++ help/en_US/buttap.xml | 67 ++ help/en_US/cceps.xml | 23 + help/en_US/cheb.xml | 65 ++ help/en_US/cheb1ap.xml | 75 ++ help/en_US/cheb2ap.xml | 63 ++ help/en_US/cplxreal.xml | 56 ++ help/en_US/czt.xml | 65 ++ help/en_US/dst1.xml | 47 ++ help/en_US/ellipap.xml | 68 ++ help/en_US/fft.xml | 74 ++ help/en_US/fft2.xml | 68 ++ help/en_US/fht.xml | 23 + help/en_US/freqs.xml | 61 ++ help/en_US/fwht.xml | 69 ++ help/en_US/hanning.xml | 23 + help/en_US/hilbert1.xml | 70 ++ help/en_US/hurst.xml | 47 ++ help/en_US/idct1.xml | 23 + help/en_US/idct2.xml | 23 + help/en_US/idst1.xml | 23 + help/en_US/ifft.xml | 81 ++ help/en_US/ifft2.xml | 68 ++ help/en_US/ifht.xml | 65 ++ help/en_US/ifwht.xml | 23 + help/en_US/invfreq.xml | 69 ++ help/en_US/master_help.xml | 860 +++++++++++---------- help/en_US/ncauer.xml | 71 ++ help/en_US/pei_tseng_notch.xml | 66 ++ help/en_US/rceps.xml | 50 ++ help/en_US/remez1.xml | 58 ++ help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 19232 -> 12852 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 3094 -> 1714 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 1215 -> 828 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 80007 -> 54786 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 26736 -> 26624 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 45 +- help/en_US/scilab_en_US_help/jhelptoc.xml | 45 +- help/en_US/sigmoid_train.xml | 23 + help/en_US/sinetone.xml | 54 ++ help/en_US/sinewave.xml | 53 ++ help/en_US/spectral_adf.xml | 54 ++ help/en_US/spectral_xdf.xml | 54 ++ help/en_US/spencer.xml | 45 ++ help/en_US/stft.xml | 84 ++ help/en_US/synthesis.xml | 49 ++ help/en_US/wconv.xml | 64 ++ help/en_US/xcov1.xml | 23 + help/en_US/yulewalker.xml | 47 ++ help/en_US/zp2ss.xml | 90 +++ help/en_US/zp2tf.xml | 72 ++ 56 files changed, 2986 insertions(+), 392 deletions(-) create mode 100644 help/en_US/besselap.xml create mode 100644 help/en_US/buttap.xml create mode 100644 help/en_US/cceps.xml create mode 100644 help/en_US/cheb.xml create mode 100644 help/en_US/cheb1ap.xml create mode 100644 help/en_US/cheb2ap.xml create mode 100644 help/en_US/cplxreal.xml create mode 100644 help/en_US/czt.xml create mode 100644 help/en_US/dst1.xml create mode 100644 help/en_US/ellipap.xml create mode 100644 help/en_US/fft.xml create mode 100644 help/en_US/fft2.xml create mode 100644 help/en_US/fht.xml create mode 100644 help/en_US/freqs.xml create mode 100644 help/en_US/fwht.xml create mode 100644 help/en_US/hanning.xml create mode 100644 help/en_US/hilbert1.xml create mode 100644 help/en_US/hurst.xml create mode 100644 help/en_US/idct1.xml create mode 100644 help/en_US/idct2.xml create mode 100644 help/en_US/idst1.xml create mode 100644 help/en_US/ifft.xml create mode 100644 help/en_US/ifft2.xml create mode 100644 help/en_US/ifht.xml create mode 100644 help/en_US/ifwht.xml create mode 100644 help/en_US/invfreq.xml create mode 100644 help/en_US/ncauer.xml create mode 100644 help/en_US/pei_tseng_notch.xml create mode 100644 help/en_US/rceps.xml create mode 100644 help/en_US/remez1.xml create mode 100644 help/en_US/sigmoid_train.xml create mode 100644 help/en_US/sinetone.xml create mode 100644 help/en_US/sinewave.xml create mode 100644 help/en_US/spectral_adf.xml create mode 100644 help/en_US/spectral_xdf.xml create mode 100644 help/en_US/spencer.xml create mode 100644 help/en_US/stft.xml create mode 100644 help/en_US/synthesis.xml create mode 100644 help/en_US/wconv.xml create mode 100644 help/en_US/xcov1.xml create mode 100644 help/en_US/yulewalker.xml create mode 100644 help/en_US/zp2ss.xml create mode 100644 help/en_US/zp2tf.xml (limited to 'help') diff --git a/help/en_US/ac2rc.xml b/help/en_US/ac2rc.xml index 2e8a109..a84b240 100644 --- a/help/en_US/ac2rc.xml +++ b/help/en_US/ac2rc.xml @@ -17,7 +17,7 @@ ac2rc - + Convert autocorrelation sequence to reflection coefficients. @@ -26,6 +26,33 @@ k = ac2rc(R) [k,R0] = ac2rc(R) + + + + Parameters + + R: + The input autocorrelation sequence. If r is a matrix, each column of r is treated as a separate signal. + k: + Returns the reflection coefficients + R0: + the zero lag autocorrelation, R0, based on the autocorrelation sequence, R. + + + + + Examples + + diff --git a/help/en_US/arburg.xml b/help/en_US/arburg.xml index 75648ba..6aa017e 100644 --- a/help/en_US/arburg.xml +++ b/help/en_US/arburg.xml @@ -49,7 +49,11 @@ Description This is an Octave function. + + This function calculates coefficients of an autoregressive (AR) model of complex data x using the whitening lattice-filter method of Burg. + + The first argument is the data sampled. The second argument is the number of poles in the model (or limit in case a criterion is supplied). The third parameter takes in the criterion to limit the number of poles. The acceptable values are "AIC", "AKICc", "KIC", "AICc" which are based on information theory. Output variable a is a list of P+1 autoregression coefficients. diff --git a/help/en_US/arcov.xml b/help/en_US/arcov.xml index 64a5364..11f1d94 100644 --- a/help/en_US/arcov.xml +++ b/help/en_US/arcov.xml @@ -17,7 +17,29 @@ arcov - + Autoregressive all-pole model parameters — covariance method + + + Calling Sequence + + a = arcov(x,p) + [a,e] = arcov(x,p) + + + + + Parameters + + a: + contains normalized estimates of the AR system parameters, A(z), in descending powers of z. + e: + variance estimate of the white noise input to the AR model + x: + is the input signal + p: + is the order of the auto regressive model + + diff --git a/help/en_US/aryule.xml b/help/en_US/aryule.xml index 9948a0f..7d706fd 100644 --- a/help/en_US/aryule.xml +++ b/help/en_US/aryule.xml @@ -46,6 +46,8 @@ Description This is an Octave function. + + This function fits an AR (p)-model with Yule-Walker estimates. The first argument is the data vector which is to be estimated. Output variable a gives the AR coefficients, v gives the variance of the white noise and k gives the reflection coefficients to be used in the lattice filter. diff --git a/help/en_US/besselap.xml b/help/en_US/besselap.xml new file mode 100644 index 0000000..f3236d7 --- /dev/null +++ b/help/en_US/besselap.xml @@ -0,0 +1,71 @@ + + + + + + + + besselap + Return bessel analog filter prototype. + + + + + Calling Sequence + + [zero, pole, gain] = besselap (n) + [zero, pole] = besselap (n) + zero = besselap (n) + + + + + Parameters + + n: + Filter Order + zero: + Zeros + pole: + Poles + gain: + Gain + + + + + Description + +This is an Octave function. +It Return bessel analog filter prototype of nth order. + + + + + Examples + + + diff --git a/help/en_US/buttap.xml b/help/en_US/buttap.xml new file mode 100644 index 0000000..d891af5 --- /dev/null +++ b/help/en_US/buttap.xml @@ -0,0 +1,67 @@ + + + + + + + + buttap + Design a lowpass analog Butterworth filter. + + + + + Calling Sequence + + z = buttap (n) + [z, p] = buttap (n) + [z, p, g] = buttap (n) + + + + + Parameters + + n: + Filter Order + z: + Zeros + p: + Poles + g: + Gain + + + + + Description + +This is an Octave function. +It designs a lowpass analog Butterworth filter of nth order. + + + + + Examples + + + diff --git a/help/en_US/cceps.xml b/help/en_US/cceps.xml new file mode 100644 index 0000000..8f270f6 --- /dev/null +++ b/help/en_US/cceps.xml @@ -0,0 +1,23 @@ + + + + + + + + cceps + + + + diff --git a/help/en_US/cheb.xml b/help/en_US/cheb.xml new file mode 100644 index 0000000..7e39e30 --- /dev/null +++ b/help/en_US/cheb.xml @@ -0,0 +1,65 @@ + + + + + + + + cheb + Calculates the nth-order Chebyshev polynomial at the point x. + + + + + Calling Sequence + + cheb(n, x) + + + + + Parameters + + n: + Filter order + x: + Point at which the Chebyshev polynomial is calculater. + + + + + Description + +This is an Octave function. +Equation for Chebyshev polynomial is +/ cos(n acos(x), |x| <= 1 +Tn(x) = | +\ cosh(n acosh(x), |x| > 1 + + +x can also be a vector. In that case the output will also be a vector of same size as x. + + + + + Examples + + + diff --git a/help/en_US/cheb1ap.xml b/help/en_US/cheb1ap.xml new file mode 100644 index 0000000..dbd541a --- /dev/null +++ b/help/en_US/cheb1ap.xml @@ -0,0 +1,75 @@ + + + + + + + + cheb1ap + This function designs a lowpass analog Chebyshev type I filter. + + + + + Calling Sequence + + [z, p, g] = cheb1ap (n, Rp) + [z, p] = cheb1ap (n, Rp) + p = cheb1ap (n, Rp) + + + + + Parameters + + n: + Filter Order + Rp: + Peak-to-peak passband ripple + z: + Zeros + p: + Poles + g: + Gain + + + + + Description + +This is an Octave function. +It designs a lowpass analog Chebyshev type I filter of nth order and with a Peak-to-peak passband ripple of Rp. + + + + + Examples + + + diff --git a/help/en_US/cheb2ap.xml b/help/en_US/cheb2ap.xml new file mode 100644 index 0000000..0fcdd8f --- /dev/null +++ b/help/en_US/cheb2ap.xml @@ -0,0 +1,63 @@ + + + + + + + + cheb2ap + This function designs a lowpass analog Chebyshev type II filter. + + + + + Calling Sequence + + [z, p, g] = cheb2ap (n, Rs) + [z, p] = cheb2ap (n, Rs) + p = cheb2ap (n, Rs) + + + + + Parameters + + n: + Filter Order + Rs: + Stopband attenuation + z: + Zeros + p: + Poles + g: + Gain + + + + + Description + +This is an Octave function. +This function designs a lowpass analog Chebyshev type II filter of nth order and with a stopband attenuation of Rs. + + + + + Examples + + + diff --git a/help/en_US/cplxreal.xml b/help/en_US/cplxreal.xml new file mode 100644 index 0000000..f5e5ed5 --- /dev/null +++ b/help/en_US/cplxreal.xml @@ -0,0 +1,56 @@ + + + + + + + + cplxreal + Function to divide vector z into complex and real elements, removing the one of each complex conjugate pair. + + + + + Calling Sequence + + [zc, zr] = cplxreal (z, thresh) + [zc, zr] = cplxreal (z) + zc = cplxreal (z, thresh) + zc = cplxreal (z) + + + + + Parameters + + z: + vector of complex numbers. + thresh: + tolerance for comparisons. + zc: + vector containing the elements of z that have positive imaginary parts. + zr: + vector containing the elements of z that are real. + + + + + Description + +This is an Octave function. +Every complex element of z is expected to have a complex-conjugate elsewhere in z. From the pair of complex-conjugates, the one with the negative imaginary part is removed. +If the magnitude of the imaginary part of an element is less than the thresh, it is declared as real. + + + diff --git a/help/en_US/czt.xml b/help/en_US/czt.xml new file mode 100644 index 0000000..1296d19 --- /dev/null +++ b/help/en_US/czt.xml @@ -0,0 +1,65 @@ + + + + + + + + czt + Chirp Z Transform + + + + + Calling Sequence + + czt (x) + czt (x, m) + czt (x, m, w) + czt (x, m, w, a) + + + + + Parameters + + x: + Input scalar or vector + m: + Total Number of steps + w: + ratio between points in each step + a: + point in the complex plane + + + + + Description + +This is an Octave function. +Chirp z-transform. Compute the frequency response starting at a and stepping by w for m steps. a is a point in the complex plane, and w is the ratio between points in each step (i.e., radius increases exponentially, and angle increases linearly). + + + + + Examples + + + diff --git a/help/en_US/dst1.xml b/help/en_US/dst1.xml new file mode 100644 index 0000000..62fa699 --- /dev/null +++ b/help/en_US/dst1.xml @@ -0,0 +1,47 @@ + + + + + + + + dst1 + Computes the type I discrete sine transform of x + + + + + Calling Sequence + + y= dst1(x) + y= dst1(x,n) + + + + + Parameters + + x: + real or complex valued vector + + + + + Description + +This is an Octave function. +Computes the type I discrete sine transform of x. If n is given, then x is padded or trimmed to length n before computing the transform. If x is a matrix, compute the transform along the columns of the the matrix. + + + diff --git a/help/en_US/ellipap.xml b/help/en_US/ellipap.xml new file mode 100644 index 0000000..597a4c1 --- /dev/null +++ b/help/en_US/ellipap.xml @@ -0,0 +1,68 @@ + + + + + + + + ellipap + Designs a lowpass analog elliptic filter. + + + + + Calling Sequence + + [z, p, g] = ellipap (n, Rp, Rs) + [z, p] = ellipap (n, Rp, Rs) + z = ellipap (n, Rp, Rs) + + + + + Parameters + + n: + Filter Order + Rp: + Peak-to-peak passband ripple + Rs: + Stopband attenuation + + + + + Description + +This is an Octave function. +It designs a lowpass analog elliptic filter of nth order, with a Peak-to-peak passband ripple of Rp and a stopband attenuation of Rs. + + + + + Examples + + + diff --git a/help/en_US/fft.xml b/help/en_US/fft.xml new file mode 100644 index 0000000..12922ed --- /dev/null +++ b/help/en_US/fft.xml @@ -0,0 +1,74 @@ + + + + + + + + fft + Calculates the discrete Fourier transform of a matrix using Fast Fourier Transform algorithm. + + + + + Calling Sequence + + fft (x, n, dim) + fft (x, n) + fft (x) + + + + + Parameters + + x: + input matrix + n: + Specifies the number of elements of x to be used + dim: + Specifies the dimention of the matrix along which the FFT is performed + + + + + Description + +This is an Octave function. +The FFT is calculated along the first non-singleton dimension of the array. Thus, FFT is computed for each column of x. + + +n is an integer specifying the number of elements of x to use. If n is larger than dimention along. which the FFT is calculated, then x is resized and padded with zeros. +Similarly, if n is smaller, then x is truncated. + + +dim is an integer specifying the dimension of the matrix along which the FFT is performed. + + + + + Examples + + + diff --git a/help/en_US/fft2.xml b/help/en_US/fft2.xml new file mode 100644 index 0000000..d35fc4a --- /dev/null +++ b/help/en_US/fft2.xml @@ -0,0 +1,68 @@ + + + + + + + + fft2 + Calculates the two-dimensional discrete Fourier transform of A using a Fast Fourier Transform algorithm. + + + + + Calling Sequence + + fft2 (A, m, n) + fft2 (A) + + + + + Parameters + + A: + input matrix + m: + number of rows of A to be used + n: + number of columns of A to be used + + + + + Description + +This is an Octave function. +It performs two-dimentional FFT on the matrix A. m and n may be used specify the number of rows and columns of A to use. If either of these is larger than the size of A, A is resized and padded with zeros. +If A is a multi-dimensional matrix, each two-dimensional sub-matrix of A is treated separately. + + + + + Examples + + + diff --git a/help/en_US/fht.xml b/help/en_US/fht.xml new file mode 100644 index 0000000..06311a3 --- /dev/null +++ b/help/en_US/fht.xml @@ -0,0 +1,23 @@ + + + + + + + + fht + funcprot(0); + + + diff --git a/help/en_US/freqs.xml b/help/en_US/freqs.xml new file mode 100644 index 0000000..258f280 --- /dev/null +++ b/help/en_US/freqs.xml @@ -0,0 +1,61 @@ + + + + + + + + freqs + Compute the s-plane frequency response of the IIR filter. + + + + + Calling Sequence + + h = freqs (b, a, w) + + + + + Parameters + + b: + vector containing the coefficients of the numerator of the filter. + a: + vector containing the coefficients of the denominator of the filter. + w: + vector containing frequencies + + + + + Description + +This is an Octave function. +It computes the s-plane frequency response of the IIR filter B(s)/A(s) as H = polyval(B,j*W)./polyval(A,j*W). +If called with no output argument, a plot of magnitude and phase are displayed. + + + + + Examples + + + diff --git a/help/en_US/fwht.xml b/help/en_US/fwht.xml new file mode 100644 index 0000000..4140453 --- /dev/null +++ b/help/en_US/fwht.xml @@ -0,0 +1,69 @@ + + + + + + + + fwht + Compute the Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm + + + + + Calling Sequence + + fwht (x) + fwht (x, n) + fwht (x, n, order) + + + + + Parameters + + x: + real or complex valued scalar or vector + n: + x is truncated or extended to have length n + order: + Specification of order in which coefficients should be arranged + + + + + Description + +Compute the Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm. If the input is a matrix, the FWHT is calculated along the columns of x. + + +The number of elements of x must be a power of 2; if not, the input will be extended and filled with zeros. If a second argument is given, the input is truncated or extended to have length n. + + +The third argument specifies the order in which the returned Walsh-Hadamard transform coefficients should be arranged. The order may be any of the following strings: + + +"sequency" +The coefficients are returned in sequency order. This is the default if order is not given. + + +"hadamard" +The coefficients are returned in Hadamard order. + + +"dyadic" +The coefficients are returned in Gray code order. + + + diff --git a/help/en_US/hanning.xml b/help/en_US/hanning.xml new file mode 100644 index 0000000..dc1e475 --- /dev/null +++ b/help/en_US/hanning.xml @@ -0,0 +1,23 @@ + + + + + + + + hanning + + + + diff --git a/help/en_US/hilbert1.xml b/help/en_US/hilbert1.xml new file mode 100644 index 0000000..3d4ab42 --- /dev/null +++ b/help/en_US/hilbert1.xml @@ -0,0 +1,70 @@ + + + + + + + + hilbert1 + Analytic extension of real valued signal. + + + + + Calling Sequence + + h= hilbert1(f) + h= hilbert1(f,N) + h= hilbert1(f,N,dim) + + + + + Parameters + + f: + real or complex valued scalar or vector + N: + The result will have length N + dim : + It analyses the input in this dimension + + + + + Description + +h = hilbert (f) computes the extension of the real valued signal f to an analytic signal. If f is a matrix, the transformation is applied to each column. For N-D arrays, the transformation is applied to the first non-singleton dimension. + + +real (h) contains the original signal f. imag (h) contains the Hilbert transform of f. + + +hilbert1 (f, N) does the same using a length N Hilbert transform. The result will also have length N. + + +hilbert1 (f, [], dim) or hilbert1 (f, N, dim) does the same along dimension dim. + + + + + Examples + + + diff --git a/help/en_US/hurst.xml b/help/en_US/hurst.xml new file mode 100644 index 0000000..c6c5f3e --- /dev/null +++ b/help/en_US/hurst.xml @@ -0,0 +1,47 @@ + + + + + + + + hurst + Estimate the Hurst parameter of sample X via the rescaled r statistic. + + + + + Calling Sequence + + hurst(X) + variable=hurst(X) + + + + + Parameters + + X: + X is a matrix, the parameter of sample X via the rescaled r statistic + + + + + Description + +This is an Octave function. +This function estimates the Hurst parameter of sample X via the rescaled rstatistic. + + + diff --git a/help/en_US/idct1.xml b/help/en_US/idct1.xml new file mode 100644 index 0000000..c43eb1c --- /dev/null +++ b/help/en_US/idct1.xml @@ -0,0 +1,23 @@ + + + + + + + + idct1 + funcprot(0); + + + diff --git a/help/en_US/idct2.xml b/help/en_US/idct2.xml new file mode 100644 index 0000000..0e7fcdc --- /dev/null +++ b/help/en_US/idct2.xml @@ -0,0 +1,23 @@ + + + + + + + + idct2 + funcprot(0); + + + diff --git a/help/en_US/idst1.xml b/help/en_US/idst1.xml new file mode 100644 index 0000000..74a9f0e --- /dev/null +++ b/help/en_US/idst1.xml @@ -0,0 +1,23 @@ + + + + + + + + idst1 + funcprot(0); + + + diff --git a/help/en_US/ifft.xml b/help/en_US/ifft.xml new file mode 100644 index 0000000..5e09726 --- /dev/null +++ b/help/en_US/ifft.xml @@ -0,0 +1,81 @@ + + + + + + + + ifft + Calculates the inverse discrete Fourier transform of a matrix using Fast Fourier Transform algorithm. + + + + + Calling Sequence + + ifft (x, n, dim) + ifft (x, n) + ifft (x) + + + + + Parameters + + x: + input matrix + n: + Specifies the number of elements of x to be used + dim: + Specifies the dimention of the matrix along which the inverse FFT is performed + + + + + Description + +This is an Octave function. + + + + + Description + +This is an Octave function. +The inverse FFT is calculated along the first non-singleton dimension of the array. Thus, inverse FFT is computed for each column of x. + + +n is an integer specifying the number of elements of x to use. If n is larger than dimention along. which the inverse FFT is calculated, then x is resized and padded with zeros. +Similarly, if n is smaller, then x is truncated. + + +dim is an integer specifying the dimension of the matrix along which the inverse FFT is performed. + + + + + Examples + + + diff --git a/help/en_US/ifft2.xml b/help/en_US/ifft2.xml new file mode 100644 index 0000000..02eb5f9 --- /dev/null +++ b/help/en_US/ifft2.xml @@ -0,0 +1,68 @@ + + + + + + + + ifft2 + Calculates the inverse two-dimensional discrete Fourier transform of A using a Fast Fourier Transform algorithm. + + + + + Calling Sequence + + ifft2 (A, m, n) + ifft2 (A) + + + + + Parameters + + A: + input matrix + m: + number of rows of A to be used + n: + number of columns of A to be used + + + + + Description + +This is an Octave function. +It performs inverse two-dimensional FFT on the matrix A. m and n may be used specify the number of rows and columns of A to use. If either of these is larger than the size of A, A is resized and padded with zeros. +If A is a multi-dimensional matrix, each two-dimensional sub-matrix of A is treated separately. + + + + + Examples + + + diff --git a/help/en_US/ifht.xml b/help/en_US/ifht.xml new file mode 100644 index 0000000..e4e692b --- /dev/null +++ b/help/en_US/ifht.xml @@ -0,0 +1,65 @@ + + + + + + + + ifht + Calculate the inverse Fast Hartley Transform of real input D + + + + + Calling Sequence + + m= ifht (d) + m= ifht (d,n) + m= ifht (d,n,dim) + + + + + Parameters + + d: + real or complex valued scalar or vector + n: + Similar to the options of FFT function + dim: + Similar to the options of FFT function + + + + + Description + +Calculate the inverse Fast Hartley Transform of real input d. If d is a matrix, the inverse Hartley transform is calculated along the columns by default. The options n and dim are similar to the options of FFT function. + + +The forward and inverse Hartley transforms are the same (except for a scale factor of 1/N for the inverse hartley transform), but implemented using different functions. + + +The definition of the forward hartley transform for vector d, m[K] = 1/N \sum_{i=0}^{N-1} d[i]*(cos[K*2*pi*i/N] + sin[K*2*pi*i/N]), for 0 <= K < N. m[K] = 1/N \sum_{i=0}^{N-1} d[i]*CAS[K*i], for 0 <= K < N. + + + + + Examples + + + diff --git a/help/en_US/ifwht.xml b/help/en_US/ifwht.xml new file mode 100644 index 0000000..37903a0 --- /dev/null +++ b/help/en_US/ifwht.xml @@ -0,0 +1,23 @@ + + + + + + + + ifwht + + + + diff --git a/help/en_US/invfreq.xml b/help/en_US/invfreq.xml new file mode 100644 index 0000000..38f2da3 --- /dev/null +++ b/help/en_US/invfreq.xml @@ -0,0 +1,69 @@ + + + + + + + + invfreq + Calculates inverse frequency vectors + + + + + Calling Sequence + + [B,A] = invfreq(H,F,nB,nA) + [B,A] = invfreq(H,F,nB,nA,W) + [B,A] = invfreq(H,F,nB,nA,W,[],[],plane) + [B,A] = invfreq(H,F,nB,nA,W,iter,tol,plane) + + + + + + Parameters + + H: + desired complex frequency response,It is assumed that A and B are real polynomials, hence H is one-sided. + F: + vector of frequency samples in radians + nA: + order of denominator polynomial A + nB: + order of numerator polynomial B + + + + + Description + +Fit filter B(z)/A(z) or B(s)/A(s) to complex frequency response at frequency points F. A and B are real polynomial coefficients of order nA and nB respectively. Optionally, the fit-errors can be weighted vs frequency according to the weights W. Also, the transform plane can be specified as either 's' for continuous time or 'z' for discrete time. 'z' is chosen by default. Eventually, Steiglitz-McBride iterations will be specified by iter and tol. + + + + + + + Examples + + + diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index 613d48a..084c015 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -1,199 +1,242 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ]> FOSSEE Signal Processing Toolbox - + FOSSEE Signal Processing Toolbox -&abc34d904268ea0d68878f95dd4dc2b31; 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+&a812d9c22a396a5551693bb4d6dcae5b8; +&af95666e924be0e4cd14c6415f124f7d8; +&ab4413930d155521ee36e3b7a19400809; +&a07861a28f3bed2170e83949b6e2c3809; +&a99676709afd29b9c0701a4ca0e97365e; +&ac4b6feabfcffe4748eea06cf81d6c28b; +&a9eb5dbeb1370f1a1f23b414438b423b7; +&a61b6ccda9c51a7fb92674a98fd9f358a; diff --git a/help/en_US/ncauer.xml b/help/en_US/ncauer.xml new file mode 100644 index 0000000..a9395af --- /dev/null +++ b/help/en_US/ncauer.xml @@ -0,0 +1,71 @@ + + + + + + + + ncauer + Analog prototype for Cauer filter. + + + + + Calling Sequence + + [Zz, Zp, Zg] = ncauer(Rp, Rs, n) + [Zz, Zp] = ncauer(Rp, Rs, n) + Zz = ncauer(Rp, Rs, n) + + + + + Parameters + + n: + Filter Order + Rp: + Peak-to-peak passband ripple + Rs: + Stopband attenuation + + + + + Description + +This is an Octave function. +It designs an analog prototype for Cauer filter of nth order, with a Peak-to-peak passband ripple of Rp and a stopband attenuation of Rs. + + + + + Examples + + + diff --git a/help/en_US/pei_tseng_notch.xml b/help/en_US/pei_tseng_notch.xml new file mode 100644 index 0000000..a2b1f37 --- /dev/null +++ b/help/en_US/pei_tseng_notch.xml @@ -0,0 +1,66 @@ + + + + + + + + pei_tseng_notch + + + + + + Calling Sequence + + [b, a] = pei_tseng_notch (frequencies, bandwidths) + b = pei_tseng_notch (frequencies, bandwidths) + + + + + Parameters + + frequencies: + filter frequencies + bandwidths: + bandwidths to be used with filter + + + + + Description + +This is an Octave function. +It return coefficients for an IIR notch-filter with one or more filter frequencies and according bandwidths. The filter is based on a all pass filter that performs phasereversal at filter frequencies. +This leads to removal of those frequencies of the original and phase-distorted signal. + + + + + Examples + + + diff --git a/help/en_US/rceps.xml b/help/en_US/rceps.xml new file mode 100644 index 0000000..fbf1ce8 --- /dev/null +++ b/help/en_US/rceps.xml @@ -0,0 +1,50 @@ + + + + + + + + rceps + Produce the cepstrum of the signal x, and if desired, the minimum phase reconstruction of the signal x. + + + + + Calling Sequence + + [y, xm] = rceps(x) + + + + + Parameters + + x: + real or complex vector input + + + + + Examples + + + diff --git a/help/en_US/remez1.xml b/help/en_US/remez1.xml new file mode 100644 index 0000000..0336490 --- /dev/null +++ b/help/en_US/remez1.xml @@ -0,0 +1,58 @@ + + + + + + + + remez1 + Parks-McClellan optimal FIR filter design + + + + + Calling Sequence + + b = remez1 (n, f, a) + b = remez1 (n, f, a, w) + b = remez1 (n, f, a, w, ftype) + b = remez1 (n, f, a, w, ftype, griddensity) + + + + + Parameters + + n: + gives the number of taps in the returned filter + f: + gives frequency at the band edges [b1 e1 b2 e2 b3 e3 …] + a: + gives amplitude at the band edges [a(b1) a(e1) a(b2) a(e2) …] + w: + gives weighting applied to each band + ftype: + is "bandpass", "hilbert" or "differentiator" + griddensity: + determines how accurately the filter will be constructed. The minimum value is 16, but higher numbers are slower to compute. + + + + + Description + +Frequency is in the range (0, 1), with 1 being the Nyquist frequency. + + + diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 94d77de..8aaa253 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index 69df842..b54d5ae 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index d12a497..c9aea54 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 695869a..8ed5123 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 677736a..c854eb8 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=1967 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2314 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index c563e48..ee969b9 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index 61a8d3f..6dfccf5 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -2,7 +2,7 @@ - + @@ -12,6 +12,7 @@ + @@ -20,11 +21,16 @@ + + + + + @@ -35,8 +41,10 @@ + + @@ -44,13 +52,18 @@ + + + + + @@ -59,8 +72,10 @@ + + @@ -69,14 +84,25 @@ + + + + + + + + + + + @@ -105,6 +131,7 @@ + @@ -112,6 +139,7 @@ + @@ -136,9 +164,11 @@ + + @@ -157,6 +187,9 @@ + + + @@ -165,11 +198,16 @@ + + + + + @@ -188,12 +226,17 @@ + + + + + \ No newline at end of file diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 91a8471..ca70a11 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -2,7 +2,7 @@ - + @@ -12,6 +12,7 @@ + @@ -20,11 +21,16 @@ + + + + + @@ -35,8 +41,10 @@ + + @@ -44,13 +52,18 @@ + + + + + @@ -59,8 +72,10 @@ + + @@ -69,14 +84,25 @@ + + + + + + + + + + + @@ -105,6 +131,7 @@ + @@ -112,6 +139,7 @@ + @@ -136,9 +164,11 @@ + + @@ -157,6 +187,9 @@ + + + @@ -165,11 +198,16 @@ + + + + + @@ -188,13 +226,18 @@ + + + + + diff --git a/help/en_US/sigmoid_train.xml b/help/en_US/sigmoid_train.xml new file mode 100644 index 0000000..07a86b7 --- /dev/null +++ b/help/en_US/sigmoid_train.xml @@ -0,0 +1,23 @@ + + + + + + + + sigmoid_train + funcprot(0); + + + diff --git a/help/en_US/sinetone.xml b/help/en_US/sinetone.xml new file mode 100644 index 0000000..ce0e9f7 --- /dev/null +++ b/help/en_US/sinetone.xml @@ -0,0 +1,54 @@ + + + + + + + + sinetone + Return a sinetone of the input + + + + + Calling Sequence + + y= sinetone(FREQ) + y= sinetone(FREQ, RATE) + y= sinetone(FREQ, RATE, SEC) + y= sinetone(FREQ, RATE, SEC, AMPL) + + + + + Parameters + + FREQ: + frequency of sinetone + RATE: + Sampling rate + SEC: + Length in seconds + AMPL: + Amplitude + + + + + Description + +Return a sinetone of frequency FREQ with a length of SEC seconds atsampling rate RATE and with amplitude AMPL.The arguments FREQ and AMPL may be vectors of common size.The defaults are RATE = 8000, SEC = 1, and AMPL = 64. + + + diff --git a/help/en_US/sinewave.xml b/help/en_US/sinewave.xml new file mode 100644 index 0000000..bcc785d --- /dev/null +++ b/help/en_US/sinewave.xml @@ -0,0 +1,53 @@ + + + + + + + + sinewave + Return an M-element vector with I-th element given by 'sin(2* pi *(I+D-1)/N).' + + + + + Calling Sequence + + y= sinewave(M) + y= sinewave(M,N) + y= sinewave(M,N,D) + + + + + Parameters + + M: + Input vector + N: + The default value for N is M + D: + The default value for D is 0 + AMPL: + Amplitude + + + + + Description + +Return an M-element vector with I-th element given by 'sin(2* pi *(I+D-1)/N).' + + + diff --git a/help/en_US/spectral_adf.xml b/help/en_US/spectral_adf.xml new file mode 100644 index 0000000..164d3e0 --- /dev/null +++ b/help/en_US/spectral_adf.xml @@ -0,0 +1,54 @@ + + + + + + + + spectral_adf + Return the spectral density estimator given a vector of autocovariances C, window name WIN, and bandwidth, B. + + + + + Calling Sequence + + spectral_adf(C) + spectral_adf(C, WIN) + spectral_adf(C, WIN, B) + + + + + Parameters + + C: + Autocovariances + WIN: + Window names + B: + Bandwidth + + + + + Description + +Return the spectral density estimator given a vector ofautocovariances C, window name WIN, and bandwidth, B. +The window name, e.g., "triangle" or "rectangle" is used to search for a function called 'WIN_lw'. +If WIN is omitted, the triangle window is used. +If B is omitted, '1 / sqrt (length (C))' is used. + + + diff --git a/help/en_US/spectral_xdf.xml b/help/en_US/spectral_xdf.xml new file mode 100644 index 0000000..04cc793 --- /dev/null +++ b/help/en_US/spectral_xdf.xml @@ -0,0 +1,54 @@ + + + + + + + + spectral_xdf + Return the spectral density estimator given a data vector X, window name WIN, and bandwidth, B. + + + + + Calling Sequence + + spectral_xdf(X) + spectral_xdf(X, WIN) + spectral_xdf(X, WIN, B) + + + + + Parameters + + X: + Data Vector + WIN: + Window names + B: + Bandwidth + + + + + Description + +Return the spectral density estimator given a data vector X, window name WIN, and bandwidth, B. +The window name, e.g., "triangle" or "rectangle" is used to search for a function called 'WIN_lw'. +If WIN is omitted, the triangle window is used. +If B is omitted, '1 / sqrt (length (X))' is used. + + + diff --git a/help/en_US/spencer.xml b/help/en_US/spencer.xml new file mode 100644 index 0000000..66b1570 --- /dev/null +++ b/help/en_US/spencer.xml @@ -0,0 +1,45 @@ + + + + + + + + spencer + Return Spencer's 15 point moving average of each column of X. + + + + + Calling Sequence + + spencer(X) + + + + + Parameters + + X: + Real scalar or vector + + + + + Description + +Return Spencer's 15 point moving average of each column of X. + + + diff --git a/help/en_US/stft.xml b/help/en_US/stft.xml new file mode 100644 index 0000000..2449be3 --- /dev/null +++ b/help/en_US/stft.xml @@ -0,0 +1,84 @@ + + + + + + + + stft + Compute the short-time Fourier transform of the vector X + + + + + Calling Sequence + + Y = stft (X) + Y = stft (X, WIN_SIZE) + Y = stft (X, WIN_SIZE, INC) + Y = stft (X, WIN_SIZE, INC, NUM_COEF) + Y = stft (X, WIN_SIZE, INC, NUM_COEF, WIN_TYPE) + [Y,C] = stft (X) + [Y,C] = stft (X, WIN_SIZE) + [Y,C] = stft (X, WIN_SIZE, INC) + [Y,C] = stft (X, WIN_SIZE, INC, NUM_COEF) + [Y,C] = stft (X, WIN_SIZE, INC, NUM_COEF, WIN_TYPE) + + + + + Parameters + + X: + Real scalar or vector + WIN_SIZE: + Size of the window used + INC: + Increment + WIN_TYPE: + Type of window + + + + + Description + +Compute the short-time Fourier transform of the vector X with NUM_COEF coefficients by applying a window of WIN_SIZE data points and an increment of INC points. + + +Before computing the Fourier transform, one of the following windows is applied: + + +"hanning" -> win_type = 1 + + +"hamming" -> win_type = 2 + + +"rectangle" -> win_type = 3 + + +The window names can be passed as strings or by the WIN_TYPE number. + + +The following defaults are used for unspecified arguments:WIN_SIZE= 80, INC = 24, NUM_COEF = 64, and WIN_TYPE = 1. + + +Y = stft (X, ...)' returns the absolute values of the Fourier coefficients according to the NUM_COEF positive frequencies. + + +'[Y, C] = stft (x, ...)' returns the entire STFT-matrix Y and a 3-element vector C containing the window size, increment, and window type, which is needed by the 'synthesis' function. + + + diff --git a/help/en_US/synthesis.xml b/help/en_US/synthesis.xml new file mode 100644 index 0000000..b1c1270 --- /dev/null +++ b/help/en_US/synthesis.xml @@ -0,0 +1,49 @@ + + + + + + + + synthesis + Compute a signal from its short-time Fourier transform + + + + + Calling Sequence + + X= synthesis(Y,C) + + + + + Parameters + + Y: + Shirt-time fourier transform + C: + 3-element vector C specifying window size, increment, window type. + + + + + Description + +Compute a signal from its short-time Fourier transform Y and a 3-element vector C specifying window size, increment, and window type. +The values Y and C can be derived by +[Y, C] = stft (X , ...) + + + diff --git a/help/en_US/wconv.xml b/help/en_US/wconv.xml new file mode 100644 index 0000000..acbf777 --- /dev/null +++ b/help/en_US/wconv.xml @@ -0,0 +1,64 @@ + + + + + + + + wconv + Performs 1D or 2D convolution. + + + + + Calling Sequence + + y = wconv (type, x, f) + y = wconv (type, x, f, shape) + + + + + Parameters + + type: + convolution type. + x: + Signal vector or matrix. + f: + FIR filter coefficients. + shape: + Shape. + + + + + Description + +This is an Octave function. +It performs 1D or 2D convolution between the signal x and the filter coefficients f. + + + + + Examples + + + diff --git a/help/en_US/xcov1.xml b/help/en_US/xcov1.xml new file mode 100644 index 0000000..7a866bb --- /dev/null +++ b/help/en_US/xcov1.xml @@ -0,0 +1,23 @@ + + + + + + + + xcov1 + + + + diff --git a/help/en_US/yulewalker.xml b/help/en_US/yulewalker.xml new file mode 100644 index 0000000..5fdac3c --- /dev/null +++ b/help/en_US/yulewalker.xml @@ -0,0 +1,47 @@ + + + + + + + + yulewalker + Fit an AR (p)-model with Yule-Walker estimates given a vector C of autocovariances '[gamma_0, ..., gamma_p]'. + + + + + Calling Sequence + + A = yulewalker(C) + [A,V]= yulewalker(C) + + + + + Parameters + + C: + Autocovariances + + + + + Description + +Fit an AR (p)-model with Yule-Walker estimates given a vector C of autocovariances '[gamma_0, ..., gamma_p]'. +Returns the AR coefficients, A, and the variance of white noise, V. + + + diff --git a/help/en_US/zp2ss.xml b/help/en_US/zp2ss.xml new file mode 100644 index 0000000..64b0594 --- /dev/null +++ b/help/en_US/zp2ss.xml @@ -0,0 +1,90 @@ + + + + + + + + zp2ss + Converts zeros / poles to state space. + + + + + Calling Sequence + + [a, b, c, d] = zp2ss (z, p, k) + [a, b, c] = zp2ss (z, p, k) + [a, b] = zp2ss (z, p, k) + a = zp2ss (z, p, k) + + + + + Parameters + + z: + Zeros + p: + Poles + k: + Leading coefficient + a: + State space parameter + a: + State space parameter + b: + State space parameter + c: + State space parameter + d: + State space parameter + + + + + Description + +This is an Octave function. +It converts zeros / poles to state space. + + + + + Examples + + + diff --git a/help/en_US/zp2tf.xml b/help/en_US/zp2tf.xml new file mode 100644 index 0000000..c9e16af --- /dev/null +++ b/help/en_US/zp2tf.xml @@ -0,0 +1,72 @@ + + + + + + + + zp2tf + Converts zeros / poles to a transfer function. + + + + + Calling Sequence + + [num, den] = zp2tf (z, p, k) + num = zp2tf (z, p, k) + + + + + Parameters + + z: + Zeros + p: + Poles + k: + Leading coefficient + Num: + Numerator of the transfer function + den: + Denomenator of the transfer function + + + + + Description + +This is an Octave function. +It converts zeros / poles to a transfer function. + + + + + Examples + + + -- cgit From 2bb28947f9736c1c65dd338bf1bc8fcc2570b22d Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Mon, 27 Nov 2017 15:08:47 +0530 Subject: Added functions --- help/en_US/ifwht.xml | 44 ++++++++++++++++++++- help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 12852 -> 12892 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1714 -> 1714 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 828 -> 828 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 54786 -> 55172 bytes 5 files changed, 43 insertions(+), 1 deletion(-) (limited to 'help') diff --git a/help/en_US/ifwht.xml b/help/en_US/ifwht.xml index 37903a0..c746dcd 100644 --- a/help/en_US/ifwht.xml +++ b/help/en_US/ifwht.xml @@ -17,7 +17,49 @@ ifwht - + Compute the inverse Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm + + + Calling Sequence + + ifwht (x) + ifwht (x, n) + ifwht (x, n, order) + + + + + Parameters + + x: + real or complex valued scalar or vector + n: + Input is truncated or extended to have a length of n + order: + Specifies the order in which the returned inverse Walsh-Hadamard transform + + + + + Description + +Compute the inverse Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm. If the input is a matrix, the inverse FWHT is calculated along the columns of x. +The number of elements of x must be a power of 2; if not, the input will be extended and filled with zeros. If a second argument is given, the input is truncated or extended to have length n. +The third argument specifies the order in which the returned inverse Walsh-Hadamard transform coefficients should be arranged. The order may be any of the following strings: + + +"sequency" +The coefficients are returned in sequency order. This is the default if order is not given. + + +"hadamard" +The coefficients are returned in Hadamard order. + + +"dyadic" +The coefficients are returned in Gray code order. + + diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 8aaa253..df5670a 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index b54d5ae..ba1c54d 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index c9aea54..7cd3a39 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 8ed5123..709b4a7 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ -- cgit From 1a9dc5fe1e700a123787f6183bceacaefaf954d6 Mon Sep 17 00:00:00 2001 From: bgtushar Date: Mon, 27 Nov 2017 20:45:48 +0530 Subject: Deleted bin and HTML, Added Functions --- help/en_US/cceps.xml | 38 ++++++++++++ help/en_US/master_help.xml | 6 ++ help/en_US/mscohere.xml | 57 ++++++++++++++++++ help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 10555 -> 10715 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1409 -> 1429 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 661 -> 671 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 43320 -> 44032 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 24576 -> 24576 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 3 + help/en_US/scilab_en_US_help/jhelptoc.xml | 3 + help/en_US/xcov1.xml | 64 +++++++++++++++++++++ 12 files changed, 172 insertions(+), 1 deletion(-) create mode 100644 help/en_US/cceps.xml create mode 100644 help/en_US/mscohere.xml create mode 100644 help/en_US/xcov1.xml (limited to 'help') diff --git a/help/en_US/cceps.xml b/help/en_US/cceps.xml new file mode 100644 index 0000000..5c8779a --- /dev/null +++ b/help/en_US/cceps.xml @@ -0,0 +1,38 @@ + + + + + + + + cceps + Return the complex cepstrum of the vector x + + + + + Calling Sequence + + cceps (x) + cceps(x, correct) + + + + + Description + +This function return the complex cepstrum of the vector x. If the optional argument correct has the value 1, a correction method is applied. The default is not to do this. + + + diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index 613d48a..b1dc7df 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -20,6 +20,7 @@ + @@ -102,6 +103,7 @@ + @@ -191,6 +193,7 @@ + @@ -229,6 +232,7 @@ &ac9bfbd0f547b9f7951782fffc297ce8f; &a92ca529f2e4c50ecbb42fe6ac66b4ad7; &aac95818ba66b9133270a9b65f48f4512; +&a90ab60d82d7a54f62db9da2aa96abb62; &acc531aceceaba9ba5f63feb980982703; &a9763f77681100b2386601412d6c68a45; &a2e5fe5c92463618e3ac3eb6184a6514c; @@ -311,6 +315,7 @@ &a8b754f3c797b791b0773a17091b92d47; &a4409d7ece46667d2c6c236a19699a2db; &aae7674d788c35e75f2a52af92dc855bc; +&ab4b637128ca75fb1cef24e3cba016008; &a7022b9d1c7c194f27b1dd6bc4e093697; &aef8e0226f6126afb2453e659221e7330; &aecbf6dfa1f6fa4c17585ac7e4eff69ef; @@ -400,6 +405,7 @@ &ae56b79980853d5c39cda79745ad43e1c; &afb072dbcb7e8025a801eb32f37a69dfb; &a9cce784055276e298cf721d8e269c31c; +&a4fefe2dc30b34efba778dabc938cfb1a; &ad84d3dcc40317a06780d4e68cbec8db0; &a522ad212c78230cdbad7a4a0d8daaadd; &ad0a91e7320d3da715c8e58990f5397a4; diff --git a/help/en_US/mscohere.xml b/help/en_US/mscohere.xml new file mode 100644 index 0000000..0b68767 --- /dev/null +++ b/help/en_US/mscohere.xml @@ -0,0 +1,57 @@ + + + + + + + + mscohere + It estimate (mean square) coherence of signals x and y. + + + + + Calling Sequence + + [Pxx, freq] = mscohere (x, y) + [Pxx, freq] = mscohere (x, y, window) + [Pxx, freq] = mscohere (x, y, window, overlap) + [Pxx, freq] = mscohere (x, y, window, overlap, Nfft) + [Pxx, freq] = mscohere (x, y, window, overlap, Nfft, Fs) + [Pxx, freq] = mscohere (x, y, window, overlap, Nfft, Fs, range) + mscohere (...) + + + + + Description + +This function estimate (mean square) coherence of signals x and y. + + + + + Examples + + + diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 5a74719..8a34800 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index 053c5ec..96145ac 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 2ec3c1b..e5dcf3e 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 041305c..675b3b8 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 677736a..67f95eb 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=1967 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=1993 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index 24e9f87..8001744 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index 61a8d3f..1843e44 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -22,6 +22,7 @@ + @@ -104,6 +105,7 @@ + @@ -193,6 +195,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 91a8471..ee5518c 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -22,6 +22,7 @@ + @@ -104,6 +105,7 @@ + @@ -193,6 +195,7 @@ + diff --git a/help/en_US/xcov1.xml b/help/en_US/xcov1.xml new file mode 100644 index 0000000..3872563 --- /dev/null +++ b/help/en_US/xcov1.xml @@ -0,0 +1,64 @@ + + + + + + + + xcov1 + Compute covariance at various lags [=correlation(x-mean(x),y-mean(y))]. + + + + + Calling Sequence + + [R, lag] = xcov (X) + ... = xcov (X, Y) + ... = xcov (..., maxlag) + ... = xcov (..., scale) + + + + + Parameters + + X: + Input vector + Y: + if specified, compute cross-covariance between X and Y, otherwise compute autocovariance of X. + maxlag: + is specified, use lag range [-maxlag:maxlag], otherwise use range [-n+1:n-1]. + scale: + + 'biased': + for covariance=raw/N, + 'unbiased': + for covariance=raw/(N-|lag|), + 'coeff': + for covariance=raw/(covariance at lag 0), + 'none': + for covariance=raw + 'none': + is the default. + + + + + Description + +Compute covariance at various lags [=correlation(x-mean(x),y-mean(y))]. Returns the covariance for each lag in the range, plus an optional vector of lags. + + + -- cgit From 7e43ae8d200a7da15ad458f5bb83582d0e389ce7 Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Mon, 27 Nov 2017 16:40:37 +0530 Subject: Merge --- help/en_US/hamming.xml | 48 ++ help/en_US/hanning.xml | 27 +- help/en_US/hilbert1.xml | 2 +- help/en_US/master_help.xml | 870 +++++++++++---------- help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 23582 -> 13071 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 3723 -> 1735 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 1518 -> 834 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 100456 -> 56223 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 26760 -> 26624 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 1 + help/en_US/scilab_en_US_help/jhelptoc.xml | 1 + 12 files changed, 555 insertions(+), 396 deletions(-) create mode 100644 help/en_US/hamming.xml (limited to 'help') diff --git a/help/en_US/hamming.xml b/help/en_US/hamming.xml new file mode 100644 index 0000000..9a072e8 --- /dev/null +++ b/help/en_US/hamming.xml @@ -0,0 +1,48 @@ + + + + + + + + hamming + Return the filter coefficients of a Hamming window of length M + + + + + Calling Sequence + + hamming (M) + hamming (M, "periodic") + hamming (M, "symmetric") + + + + + Parameters + + M: + real scalar, which will be the length of hamming window + + + + + Description + +Return the filter coefficients of a Hamming window of length M. +If the optional argument "periodic" is given, the periodic form of the window is returned. This is equivalent to the window of length M+1 with the last coefficient removed. The optional argument "symmetric" is equivalent to not specifying a second argument. + + + diff --git a/help/en_US/hanning.xml b/help/en_US/hanning.xml index dc1e475..5350656 100644 --- a/help/en_US/hanning.xml +++ b/help/en_US/hanning.xml @@ -17,7 +17,32 @@ hanning - + Return the filter coefficients of a Hanning window of length M + + + Calling Sequence + + hanning (M) + hanning (M, "periodic") + hanning (M, "symmetric") + + + + + Parameters + + M: + real scalar, which will be the length of hanning window + + + + + Description + +Return the filter coefficients of a Hanning window of length M. +If the optional argument "periodic" is given, the periodic form of the window is returned. This is equivalent to the window of length M+1 with the last coefficient removed. The optional argument "symmetric" is equivalent to not specifying a second argument. + + diff --git a/help/en_US/hilbert1.xml b/help/en_US/hilbert1.xml index 3d4ab42..765d670 100644 --- a/help/en_US/hilbert1.xml +++ b/help/en_US/hilbert1.xml @@ -45,7 +45,7 @@ Description -h = hilbert (f) computes the extension of the real valued signal f to an analytic signal. If f is a matrix, the transformation is applied to each column. For N-D arrays, the transformation is applied to the first non-singleton dimension. +h = hilbert1 (f) computes the extension of the real valued signal f to an analytic signal. If f is a matrix, the transformation is applied to each column. For N-D arrays, the transformation is applied to the first non-singleton dimension. real (h) contains the original signal f. imag (h) contains the Hilbert transform of f. diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index b1dc7df..29bb0db 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -1,202 +1,244 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 44b7b1f..0fd7aff 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 2f0feea..5d4fac0 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 677736a..e6c083a 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=1967 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2335 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index 067ca95..ea3dfe8 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index add47c8..ac7ff93 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -83,6 +83,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 4db2aa2..dda12cb 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -83,6 +83,7 @@ + -- cgit From 9539b5efb5ccf665a1cc4b8e814e96460b22e0ab Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Tue, 28 Nov 2017 14:53:58 +0530 Subject: New functions and help files generated --- help/en_US/arch_test.xml | 73 +++++++++++++++++++++ help/en_US/detrend1.xml | 51 ++++++++++++++ help/en_US/master_help.xml | 4 ++ help/en_US/periodogram.xml | 42 +++++++++++- help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 13071 -> 13367 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1735 -> 1769 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | 14 ++-- .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 56223 -> 57620 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 26624 -> 28672 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 2 + help/en_US/scilab_en_US_help/jhelptoc.xml | 2 + 12 files changed, 181 insertions(+), 9 deletions(-) create mode 100644 help/en_US/arch_test.xml create mode 100644 help/en_US/detrend1.xml (limited to 'help') diff --git a/help/en_US/arch_test.xml b/help/en_US/arch_test.xml new file mode 100644 index 0000000..aa57ff0 --- /dev/null +++ b/help/en_US/arch_test.xml @@ -0,0 +1,73 @@ + + + + + + + + arch_test + perform a Lagrange Multiplier (LM) test of thenull hypothesis of no conditional heteroscedascity against the alternative of CH(P) + + + + + Calling Sequence + + arch_test(Y,X,P) + PVAL = arch_test(Y,X,P) + [PVAL, LM]= arch_test(Y,X,P) + + + + + Parameters + + P: + Degrees of freedom + PVAL: + PVAL is the p-value (1 minus the CDF of this distribution at LM) of the test + + + + + Description + +perform a Lagrange Multiplier (LM) test of thenull hypothesis of no conditional heteroscedascity against the alternative of CH(P). + + +I.e., the model is + + +y(t) = b(1) * x(t,1) + ... + b(k) * x(t,k) + e(t), + + +given Y up to t-1 and X up to t, e(t) is N(0, h(t)) with + + +h(t) = v + a(1) * e(t-1)^2 + ... + a(p) *e(t-p)^2, and the null is a(1) == ... == a(p) == 0. + + +If the second argument is a scalar integer, k,perform the sametest in a linear autoregression model of orderk, i.e., with + + +[1, y(t-1), ..., y(t-K)] as the t-th row of X. + + +Under the null, LM approximatel has a chisquare distribution with P degrees of freedom and PVAL is the p-value (1 minus the CDF of this distribution at LM) of the test. + + +If no output argument is given, the p-value is displayed. + + + diff --git a/help/en_US/detrend1.xml b/help/en_US/detrend1.xml new file mode 100644 index 0000000..783d922 --- /dev/null +++ b/help/en_US/detrend1.xml @@ -0,0 +1,51 @@ + + + + + + + + detrend1 + This function removes the best fit of a polynomial of order P from the data X + + + + + Calling Sequence + + detrend1(X,P) + + + + + Parameters + + X: + Input vecor or matrix. + P: + The order of polnomial + + + + + Description + +If X is a vector, 'detrend1(X, P)' removes the best fit of apolynomial of order P from the data X.If X is a matrix, 'detrend1(X, P)' does the same for each column in X. + + +The second argument P is optional. If it is not specified, a value of 1 is assumed. This corresponds to removing a linear trend. +The order of the polynomial can also be given as a string, in which case P must be either "constant" (corresponds to 'P=0') or "linear"(corresponds to 'P=1') + + + diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index 29bb0db..402f8b6 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -5,6 +5,7 @@ + @@ -47,6 +48,7 @@ + @@ -259,6 +261,7 @@ &acc27042e738d175d1131be40ac8443e4; &a00c7c9f2a0021ff13869dce3b90df38c; &a2801dc954ec6ac2e1c314367aab7316b; +&a1495e32bc54c2e2975785e8e2e4521bd; &aa86636858e7127f17b93747fc8f3ec30; &a2804cc9a113729444d60d8cf3c14b554; &a78af20f681c48f8ec298b379b34418b7; @@ -301,6 +304,7 @@ &a012dc78292d46d1a6bfdd411607796ae; &a4c9381ac38659e2e9ccdf89e9aec08f9; &a732f6e560fa62dcfe2137f94ce0b812b; +&aead61bf67b6895372794be69a80b5ab9; &a8e9030fad0ea16388695b20a07e04334; &a3ffbb42a185eaf6b62029b6efc883d6b; &ac93a3534190eae2db767de3935ad4fbc; diff --git a/help/en_US/periodogram.xml b/help/en_US/periodogram.xml index 8b5b2ed..5ad8738 100644 --- a/help/en_US/periodogram.xml +++ b/help/en_US/periodogram.xml @@ -17,7 +17,47 @@ periodogram - funcprot(0); + Return the periodogram (Power Spectral Density) of X + + + Calling Sequence + + [PXX, W] = periodogram (X) + [PXX, W] = periodogram (X, WIN) + [PXX, W] = periodogram (X, WIN, NFFT) + [PXX, W] = periodogram (X, WIN, NFFT, FS) + [PXX, W] = periodogram (..., "RANGE") + + + + + Parameters + + X: + data vector. If X is real-valued a one-sided spectrum is estimated. If X is complex-valued, or "RANGE" specifies "twosided", the full spectrum is estimated. + WIN: + window weight data. If window is empty or unspecified a default rectangular window is used. Otherwise, the window is applied to the signal ('X .* WIN') before computing th periodogram. The window data must be a vector of the same length as X. + NFFT: + number of frequency bins. The default is 256 or the next higher power of 2 greater than the length of X ('max (256,2.^nextpow2 (length (x)))'). If NFFT is greater than the length of the input then X will be zero-padded to the length of NFFT. + FS: + sampling rate. The default is 1. + RANGE: + range of spectrum. "onesided" computes spectrum from [0..nfft/2+1]."twosided" computes spectrum from [0..nfft-1]. + + + + + Description + +The optional second output W are the normalized angular frequencies. For a one-sided calculation W is in the range [0, pi]. If NFFT is even and [0, pi) if NFFT is odd. Similarly, for a two-sided calculation W is in the range [0, 2*pi] or [0, 2*pi)depending on NFFT. + + +If a sampling frequency is specified, FS, then the output frequencies F will be in the range [0, FS/2] or [0, FS/2) for one-sided calculations. For two-sided calculations the range will be [0, FS). + + +When called with no outputs the periodogram is immediately plotted in the current figure window. + + diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 3105019..2e55114 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index 16c3c1b..ac87aca 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 0fd7aff..ae19610 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS @@ -1,7 +1,7 @@ -j !(hC(p,AlZs挭t9rGA&ݔxXHʌTM<52TJQ; 0@VCE(CF=#3o3Qg0S[c;b1Y޸e(ƲchVeGE1PQ#'e[rj;VMH'!ni3 -%+ Q欙}wUٗ8܅ Ԙ -MgǏ6H͕*T5&1e2TvKS*e`U;bnVD**|! -#BуyV)`wΘÖuy2yWl4KréPywF-E*E ZbMlAr{T?˝:z(FȊ24`HR9"m%P,RtRI ΢G)W1K -4I9Ch̩>Vd-5ޱ|31 F8^X 4Coٿx$3c{w~qDEk]Si KGon}Rh84R;Y;+*bYkS}K_lN(~lR~oB<;tioUCpKdkOHBĜ{!W _g'ZdHf+[%Vjv/e>Yի8]}i'pV>+3a -ݷNFe[6YKIJ1-5 -o#[I. PTH9`k֜u/\=Jp!eI4e9^8)R2-O LeDq$#Ih,PQi(H ь,4eL3rء{*Vw#J1Ś9G5oF,QGQhci2T1b3d k[rj;VMH'!ni3 + T,9F˚eWj`c$Q`I6}T%tV0ԘKMd_˕SدYLIїu<9/[TRUM?#|T]k(HK= F Z +83^,E/>bdVDa72_v &/K~MC~xMd㨨=5i3÷ɱ9SxNr.u*"Ե"*lс# Kq^4:22ٴaCIJW'˝ +c|R1q Q{☜ +4I9Ch̩>Vd-5ޱ|32]F_U 66)9JWwnt}Ͽ`GfL w̯IeX7,ҚL#+翘*ұʷ* $f<'?4;^ZWnh7!mZ&45,XV"KI{G7mDj^mQGq +ߋUZ; zn{uk,TX rNo6j"KֳA1-7u5y+p\EI3.RH94R}A$.w_K \ No newline at end of file diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 5d4fac0..4544947 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index e6c083a..7d65376 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=2335 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2382 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index ea3dfe8..6337674 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index ac7ff93..4e2930e 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -7,6 +7,7 @@ + @@ -49,6 +50,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index dda12cb..1b4fbc8 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -7,6 +7,7 @@ + @@ -49,6 +50,7 @@ + -- cgit From d97df53d72f66db206da540e909679fa863b51b6 Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Wed, 29 Nov 2017 17:34:00 +0530 Subject: Added xml files and new functions --- help/en_US/ar_psd.xml | 73 +++++++++++++++++++++ help/en_US/bilinear.xml | 52 +++++++++++++++ help/en_US/cohere.xml | 64 ++++++++++++++++++ help/en_US/diffpara.xml | 60 +++++++++++++++++ help/en_US/durbinlevinson.xml | 53 +++++++++++++++ help/en_US/fftshift1.xml | 64 ++++++++++++++++++ help/en_US/fractdiff.xml | 38 +++++++++++ help/en_US/ifftshift1.xml | 52 +++++++++++++++ help/en_US/master_help.xml | 16 +++++ help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 13367 -> 14195 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1769 -> 1885 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 844 -> 874 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 57620 -> 61423 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 28672 -> 28672 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 8 +++ help/en_US/scilab_en_US_help/jhelptoc.xml | 8 +++ 17 files changed, 489 insertions(+), 1 deletion(-) create mode 100644 help/en_US/ar_psd.xml create mode 100644 help/en_US/bilinear.xml create mode 100644 help/en_US/cohere.xml create mode 100644 help/en_US/diffpara.xml create mode 100644 help/en_US/durbinlevinson.xml create mode 100644 help/en_US/fftshift1.xml create mode 100644 help/en_US/fractdiff.xml create mode 100644 help/en_US/ifftshift1.xml (limited to 'help') diff --git a/help/en_US/ar_psd.xml b/help/en_US/ar_psd.xml new file mode 100644 index 0000000..103f0d2 --- /dev/null +++ b/help/en_US/ar_psd.xml @@ -0,0 +1,73 @@ + + + + + + + + ar_psd + Calculate the power spectrum of the autoregressive model + + + + + Calling Sequence + + [PSD,F_OUT]=ar_psd (A, V) + [PSD,F_OUT]=ar_psd (A, V, FREQ) + [PSD,F_OUT]=ar_psd (A, V, FREQ, FS) + [PSD,F_OUT]=ar_psd (..., RANGE) + [PSD,F_OUT]=ar_psd (..., METHOD) + [PSD,F_OUT]=ar_psd (..., PLOTTYPE) + + + + + Parameters + + A: + List of M=(order+1) autoregressive model coefficients. The first element of "ar_coeffs" is the zero-lag coefficient, which always has a value of 1. + V: + Square of the moving-average coefficient of the AR model. + FREQ: + Frequencies at which power spectral density is calculated, or a scalar indicating the number of uniformly distributed frequency values at which spectral density is calculated. (default = 256) + FS: + Sampling frequency (Hertz) (default=1) + Range: + 'half', 'onesided' : frequency range of the spectrum is from zero up to but not including sample_f/2. Power from negative frequencies is added to the positive side of the spectrum.'whole', 'twosided' : frequency range of the spectrum is-sample_f/2 to sample_f/2, with negative frequencies stored in "wrap around" order after the positive frequencies; e.g. frequencies for a 10-point 'twosided' spectrum are 0 0.1 0.2 0.3 0.4 0.5 -0.4 -0.3 -0.2 -0.1 'shift', 'centerdc' : same as 'whole' but with the first half of the spectrum swapped with second half to put the zero-frequency value in the middle. (See "help fftshift". If "freq" is vector, 'shift' is ignored. If model coefficients "ar_coeffs" are real, the default range is 'half', otherwise default range is 'whole'. + Method: + 'fft': use FFT to calculate power spectrum. 'poly': calculate power spectrum as a polynomial of 1/z N.B. this argument is ignored if the "freq" argument is a vector. The default is 'poly' unless the "freq" argument is an integer power of 2. + Plot type: + 'plot', 'semilogx', 'semilogy', 'loglog', 'squared' or 'db':specifies the type of plot. The default is 'plot', which means linear-linear axes. 'squared' is the same as 'plot'. 'dB' plots "10*log10(psd)". This argument is ignored and a spectrum is not plotted if the caller requires a returned value. + PSD: + estimate of power-spectral density + F_OUT: + frequency values + + + + + Description + +If the FREQ argument is a vector (of frequencies) the spectrum is calculated using the polynomial method and the METHOD argument is ignored. For scalar FREQ, an integer power of 2, or METHOD = "FFT", causes the spectrum to be calculated by FFT. Otherwise, the spectrum is calculated as a polynomial. It may be computationally more efficient to use the FFT method if length of the model is not much smaller than the number of frequency values. The spectrum is scaled so that spectral energy (area under spectrum) is the same as the time-domain energy (mean square of the signal). + + + + + Examples + + + diff --git a/help/en_US/bilinear.xml b/help/en_US/bilinear.xml new file mode 100644 index 0000000..0361759 --- /dev/null +++ b/help/en_US/bilinear.xml @@ -0,0 +1,52 @@ + + + + + + + + bilinear + Transform a s-plane filter specification into a z-plane specification + + + + + Calling Sequence + + [ZB, ZA] = bilinear (SB, SA, T) + [ZB, ZA] = bilinear (SZ, SP, SG, T) + [ZZ, ZP, ZG] = bilinear (...) + + + + + Description + +Transform a s-plane filter specification into a z-plane specification. Filters can be specified in either zero-pole-gain or transfer function form. The input form does not have to match the output form. 1/T is the sampling frequency represented in the z plane. + + +Note: this differs from the bilinear function in the signal processing toolbox, which uses 1/T rather than T. + + +Theory: Given a piecewise flat filter design, you can transform it from the s-plane to the z-plane while maintaining the band edges by means of the bilinear transform. This maps the left hand side of the s-plane into the interior of the unit circle. The mapping is highly non-linear, so you must design your filter with band edges in the s-plane positioned at 2/T tan(w*T/2) so that they will be positioned at w after the bilinear transform is complete. + + + + + Examples + + + diff --git a/help/en_US/cohere.xml b/help/en_US/cohere.xml new file mode 100644 index 0000000..677e7a9 --- /dev/null +++ b/help/en_US/cohere.xml @@ -0,0 +1,64 @@ + + + + + + + + cohere + Estimate (mean square) coherence of signals "x" and "y" + + + + + Calling Sequence + + [Pxx,freqs] = cohere(x,y,Nfft,Fs,win,overlap,ran,plot_type,detrends) + + + + + Parameters + + x: + [non-empty vector] system-input time-series data + y: + [non-empty vector] system-output time-series data + win: + [real vector] of window-function values between 0 and 1; the data segment has the same length as the window. Default window shape is Hamming. [integer scalar] length of each data segment. The default value is window=sqrt(length(x)) rounded up to the nearest integer power of 2; see 'sloppy' argument. + overlap: + [real scalar] segment overlap expressed as a multiple of window or segment length. 0 <= overlap < 1, The default is overlap=0.5 . + Nfft: + [integer scalar] Length of FFT. The default is the length of the "window" vector or has the same value as the scalar "window" argument. If Nfft is larger than the segment length, "seg_len", the data segment is padded with "Nfft-seg_len" zeros. The default is no padding. Nfft values smaller than the length of the data segment (or window) are ignored silently. + Fs: + [real scalar] sampling frequency (Hertz); default=1.0 + range: + 'half', 'onesided' : frequency range of the spectrum is zero up to but not including Fs/2. Power from negative frequencies is added to the positive side of the spectrum, but not at zero or Nyquist (Fs/2) frequencies. This keeps power equal in time and spectral domains. See reference [2]. 'whole', 'twosided' : frequency range of the spectrum is-Fs/2 to Fs/2, with negative frequenciesstored in "wrap around" order after the positivefrequencies; e.g. frequencies for a 10-point 'twosided'spectrum are 0 0.1 0.2 0.3 0.4 0.5 -0.4 -0.3 -0.2 -0.1 'shift', 'centerdc' : same as 'whole' but with the first half of the spectrum swapped with second half to put the zero-frequency value in the middle. (See "help fftshift". If data (x and y) are real, the default range is 'half', otherwise default range is 'whole'. + plot_type: + 'plot', 'semilogx', 'semilogy', 'loglog', 'squared' or 'db': specifies the type of plot. The default is 'plot', which means linear-linear axes. 'squared' is the same as 'plot'. 'dB' plots "10*log10(psd)". This argument is ignored and a spectrum is not plotted if the caller requires a returned value. + detrends: + 'no-strip', 'none' -- do NOT remove mean value from the data'short', 'mean' -- remove the mean value of each segment from each segment of the data. 'linear',-- remove linear trend from each segment of the data.'long-mean'-- remove the mean value from the data before splitting it into segments. This is the default. + + + + + Description + +Estimate (mean square) coherence of signals "x" and "y". + + +Use the Welch (1967) periodogram/FFT method. + + + diff --git a/help/en_US/diffpara.xml b/help/en_US/diffpara.xml new file mode 100644 index 0000000..be0f99c --- /dev/null +++ b/help/en_US/diffpara.xml @@ -0,0 +1,60 @@ + + + + + + + + diffpara + Return the estimator D for the differencing parameter of an integrated time series + + + + + Calling Sequence + + [D, DD] = diffpara (X) + [D, DD] = diffpara (X, A) + [D, DD] = diffpara (X, A, B) + + + + + Parameters + + X: + Input scalar or vector. + DD: + The estimators for all frequencies in the intervals described above. + D: + The mean of DD + + + + + Description + +Return the estimator D for the differencing parameter of an integrated time series. + + +The frequencies from [2*pi*a/t, 2*pi*b/T] are used for the estimation. If B is omitted, the interval [2*pi/T, 2*pi*a/T] is used. If both B and A are omitted then a = 0.5 * sqrt (T) and b = 1.5 * sqrt (T) is used, where T is the sample size. If X is a matrix, the differencing parameter of each column is estimated. + + +The estimators for all frequencies in the intervals described above is returned in DD. + + +The value of D is simply the mean of DD. + + + diff --git a/help/en_US/durbinlevinson.xml b/help/en_US/durbinlevinson.xml new file mode 100644 index 0000000..0e6cc6d --- /dev/null +++ b/help/en_US/durbinlevinson.xml @@ -0,0 +1,53 @@ + + + + + + + + durbinlevinson + Perform one step of the Durbin-Levinson algorithm.. + + + + + Calling Sequence + + durbinlevinson (C); + durbinlevinson (C, OLDPHI); + durbinlevinson (C, OLDPHI, OLDV); + + + + + Parameters + + C: + The vector C specifies the autocovariances '[gamma_0, ..., gamma_t]' from lag 0 to T. + OLDPHI: + It specifies the coefficients based on C(T-1). + OLDV: + It specifies the corresponding error. + + + + + Description + +This is an Octave function. +Perform one step of the Durbin-Levinson. +If OLDPHI and OLDV are omitted, all steps from 1 to T of the algorithm are performed. + + + diff --git a/help/en_US/fftshift1.xml b/help/en_US/fftshift1.xml new file mode 100644 index 0000000..8ce7eab --- /dev/null +++ b/help/en_US/fftshift1.xml @@ -0,0 +1,64 @@ + + + + + + + + fftshift1 + Perform a shift of the vector X, for use with the 'fft' and 'ifft' functions, in order the move the frequency 0 to the center of the vector or matrix. + + + + + Calling Sequence + + fftshift1 (X) + fftshift1 (X, DIM) + + + + + Parameters + + X: + It is a vector of N elements corresponding to time samples + DIM: + The optional DIM argument can be used to limit the dimension along which the permutation occurs + + + + + Description + +This is an Octave function. +Perform a shift of the vector X, for use with the 'fft' and 'ifft' functions, in order the move the frequency 0 to the center of the vector or matrix. + + +If X is a vector of N elements corresponding to N time samples spaced by dt, then 'fftshift1 (fft (X))' corresponds to frequencies + + +f = [ -(ceil((N-1)/2):-1:1)*df 0 (1:floor((N-1)/2))*df ] + + +where df = 1 / dt. + + +If X is a matrix, the same holds for rows and columns. If X is an array, then the same holds along each dimension. + + +The optional DIM argument can be used to limit the dimension along + + + diff --git a/help/en_US/fractdiff.xml b/help/en_US/fractdiff.xml new file mode 100644 index 0000000..c26508f --- /dev/null +++ b/help/en_US/fractdiff.xml @@ -0,0 +1,38 @@ + + + + + + + + fractdiff + Compute the fractional differences (1-L)^d x where L denotes the lag-operator and d is greater than -1. + + + + + Calling Sequence + + fractdiff (X, D) + + + + + Description + +This is an Octave function. +Compute the fractional differences (1-L)^d x where L denotes the lag-operator and d is greater than -1. + + + diff --git a/help/en_US/ifftshift1.xml b/help/en_US/ifftshift1.xml new file mode 100644 index 0000000..c281669 --- /dev/null +++ b/help/en_US/ifftshift1.xml @@ -0,0 +1,52 @@ + + + + + + + + ifftshift1 + Undo the action of the 'fftshift1' function. + + + + + Calling Sequence + + ifftshift1 (X) + ifftshift1 (X, DIM) + + + + + Parameters + + X: + It is a vector of N elements corresponding to time samples + DIM: + The optional DIM argument can be used to limit the dimension along which the permutation occurs + + + + + Description + +This is an Octave function. +Undo the action of the 'fftshift1' function. + + +For even length X, 'fftshift1' is its own inverse, but odd lengths differ slightly. + + + diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index 402f8b6..928bf3f 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -4,6 +4,7 @@ + @@ -13,6 +14,7 @@ + @@ -38,6 +40,7 @@ + @@ -50,9 +53,11 @@ + + @@ -63,6 +68,7 @@ + @@ -72,6 +78,7 @@ + @@ -95,6 +102,7 @@ + @@ -260,6 +268,7 @@ &a231328952124a7e187905e71aaf9cee0; &acc27042e738d175d1131be40ac8443e4; &a00c7c9f2a0021ff13869dce3b90df38c; +&a85e6512c560e0bf936c3beeaa098c6c9; &a2801dc954ec6ac2e1c314367aab7316b; &a1495e32bc54c2e2975785e8e2e4521bd; &aa86636858e7127f17b93747fc8f3ec30; @@ -269,6 +278,7 @@ &af8a337c857d4b373e49c0032acb1370f; &a8db037e6c34a1ac0f7db27577e08e15d; &a31f48c823b3b36a8c44e96ff54eaf66a; +&a1f0975c78250aac81c6d5a79d8c93eab; &a4965260600d5ae3055dc940551b4155a; &a203e8f0f36fcdb6d7dab204312a41134; &a33562ce8ee2b64f5e49f771f94e64714; @@ -294,6 +304,7 @@ &a1dc032779f7ba8e8f69e8f79dfb144d5; &a5bf1548e6f5419396992c7e5fee10e44; &a675cd787aff166461d9e9da55d591875; +&a2b41713030e0a16e3e381cc96ff62544; &adc56a73851265426ed0c3db40f3a0d2e; &a3d40cac540363daecb58818938d2b1d3; &ad2840257a4ded4da25428645e8a8fd22; @@ -306,9 +317,11 @@ &a732f6e560fa62dcfe2137f94ce0b812b; &aead61bf67b6895372794be69a80b5ab9; &a8e9030fad0ea16388695b20a07e04334; +&a1d56d414b955dad7a64ae7c13171931e; &a3ffbb42a185eaf6b62029b6efc883d6b; &ac93a3534190eae2db767de3935ad4fbc; &afe6460b06ca50c9c2d156ea6806d2ed9; +&a227944d1935a789cec8341413d58151d; &a52aa309fac8ef71cd8d143ac51969fe0; &aa0ecb21a4fba74cd96dd91d64d4f13ef; &a54ce5c2d68eb85b370486a8657432e59; @@ -319,6 +332,7 @@ &a61dce7ba646ca92aaf5a1ba090aa25e4; &ad146f651e2b3ae0f2c4548c9d31b9324; &a093a9f733664f253ef62c57cbfd1f345; +&ac1d05174ad6903658715873090e2337d; &ad9f3946f61509aa68a6555cc8e1e89c4; &a0b5dd6bfc7c995741ff59cb1f2e6bd9d; &a6f9f6be023cda42def4540ebe4a826ad; @@ -328,6 +342,7 @@ &a94e89cc06baa492675fb0ba33b84c454; &a19950da21e14157b78311a84cf566c31; &a997024f7f60a0e9b5b06fb25b4549196; +&a36e682243b9d539831279ec2794d4dcf; &a60063fcaf779858435eab52d0438f7c0; &a5b1b81f5a27ba264b58d0ede7bf40d6e; &aaa8fd7d64f02100f0ff4b9f5a601b502; @@ -351,6 +366,7 @@ &a6fd54fa41c0d83b890ecda9094cd757f; &a9a5ec7990aa1e0ee187582dfea2e2f18; &a6c98b32822a438724a01bbbc3c6e8972; +&ac144cb9b3a31dd3325159821e24eac51; &a414728f3a3bc742adaead017680e9eb1; &a2992435e7a3da65808422b5922e44afd; &a056e2f09f5221e8999a0fea1c1fa878d; diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 2e55114..a84edbe 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index ac87aca..f9a9626 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index ae19610..8255fa1 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 4544947..80cb637 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 7d65376..8970d6a 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=2382 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2513 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index 6337674..ed7ae27 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index 4e2930e..b4c824f 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -6,6 +6,7 @@ + @@ -15,6 +16,7 @@ + @@ -40,6 +42,7 @@ + @@ -52,9 +55,11 @@ + + @@ -65,6 +70,7 @@ + @@ -74,6 +80,7 @@ + @@ -97,6 +104,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 1b4fbc8..5d9607e 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -6,6 +6,7 @@ + @@ -15,6 +16,7 @@ + @@ -40,6 +42,7 @@ + @@ -52,9 +55,11 @@ + + @@ -65,6 +70,7 @@ + @@ -74,6 +80,7 @@ + @@ -97,6 +104,7 @@ + -- cgit From 78b93a6cdf04aa8c861d4580eec8e4839bb8a255 Mon Sep 17 00:00:00 2001 From: Abhinav Dronamraju Date: Thu, 30 Nov 2017 12:05:04 +0530 Subject: TFE function added --- help/en_US/master_help.xml | 2 + help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 14195 -> 14359 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 1885 -> 1887 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 874 -> 877 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 61423 -> 62365 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 28672 -> 28672 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 1 + help/en_US/scilab_en_US_help/jhelptoc.xml | 1 + help/en_US/tfe.xml | 61 +++++++++++++++++++++ 10 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 help/en_US/tfe.xml (limited to 'help') diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index 928bf3f..9ff7294 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -221,6 +221,7 @@ + @@ -485,6 +486,7 @@ &a74b148e7e471bd9f170cd4dc3087d2c9; &a243b79cdb976d4f432450ea744ca236c; &a9187ccad1c55b5cd1a5a900b17f2104b; +&a62d4009c826ca50e7466327e7eaa3dde; &a805a0ed4cae04e01f29ecf5f82345622; &a6e3552f90470c430b16dca28da599068; &aff0a00518280d05c9d58a7de46b1b160; diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index a84edbe..f80938d 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index f9a9626..78a675f 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 8255fa1..11f7b63 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 80cb637..a921a9b 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 8970d6a..a8a67ce 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=2513 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2516 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index ed7ae27..8273b39 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index b4c824f..88502e4 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -223,6 +223,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 5d9607e..56617b9 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -223,6 +223,7 @@ + diff --git a/help/en_US/tfe.xml b/help/en_US/tfe.xml new file mode 100644 index 0000000..0e5e35b --- /dev/null +++ b/help/en_US/tfe.xml @@ -0,0 +1,61 @@ + + + + + + + + tfe + Estimate transfer function of system with input "x" and output "y". Use the Welch (1967) periodogram/FFT method. + + + + + Calling Sequence + + [Pxx,freq] = tfe(x,y,Nfft,Fs,window,overlap,range,plot_type,detrend) + + + + + Parameters + + x: + [non-empty vector] system-input time-series data + y: + [non-empty vector] system-output time-series data + win: + [real vector] of window-function values between 0 and 1; the data segment has the same length as the window. Default window shape is Hamming. [integer scalar] length of each data segment. The default value is window=sqrt(length(x)) rounded up to the nearest integer power of 2; see 'sloppy' argument. + overlap: + [real scalar] segment overlap expressed as a multiple of window or segment length. 0 <= overlap < 1, The default is overlap=0.5 . + Nfft: + [integer scalar] Length of FFT. The default is the length of the "window" vector or has the same value as the scalar "window" argument. If Nfft is larger than the segment length, "seg_len", the data segment is padded with "Nfft-seg_len" zeros. The default is no padding. Nfft values smaller than the length of the data segment (or window) are ignored silently. + Fs: + [real scalar] sampling frequency (Hertz); default=1.0 + range: + 'half', 'onesided' : frequency range of the spectrum is zero up to but not including Fs/2. Power from negative frequencies is added to the positive side of the spectrum, but not at zero or Nyquist (Fs/2) frequencies. This keeps power equal in time and spectral domains. See reference [2]. 'whole', 'twosided' : frequency range of the spectrum is-Fs/2 to Fs/2, with negative frequenciesstored in "wrap around" order after the positivefrequencies; e.g. frequencies for a 10-point 'twosided'spectrum are 0 0.1 0.2 0.3 0.4 0.5 -0.4 -0.3 -0.2 -0.1 'shift', 'centerdc' : same as 'whole' but with the first half of the spectrum swapped with second half to put the zero-frequency value in the middle. (See "help fftshift". If data (x and y) are real, the default range is 'half', otherwise default range is 'whole'. + plot_type: + 'plot', 'semilogx', 'semilogy', 'loglog', 'squared' or 'db': specifies the type of plot. The default is 'plot', which means linear-linear axes. 'squared' is the same as 'plot'. 'dB' plots "10*log10(psd)". This argument is ignored and a spectrum is not plotted if the caller requires a returned value. + detrends: + 'no-strip', 'none' -- do NOT remove mean value from the data'short', 'mean' -- remove the mean value of each segment from each segment of the data. 'linear',-- remove linear trend from each segment of the data.'long-mean'-- remove the mean value from the data before splitting it into segments. This is the default. + + + + + Description + +Estimate transfer function of system with input "x" and output "y". Use the Welch (1967) periodogram/FFT method. + + + -- cgit From 8e9af4404bedd0fc7ff9c34bf8b794d6b8602b36 Mon Sep 17 00:00:00 2001 From: bgtushar Date: Thu, 30 Nov 2017 17:33:15 +0530 Subject: deleted html and added new functions --- help/en_US/arch_fit.xml | 62 ++++++++++++ help/en_US/autoreg_matrix.xml | 64 ++++++++++++ help/en_US/cceps.xml | 21 ++++ help/en_US/cpsd.xml | 67 ++++++++++++ help/en_US/dwt.xml | 68 +++++++++++++ help/en_US/fftconv.xml | 55 ++++++++++ help/en_US/fftn.xml | 55 ++++++++++ help/en_US/fht.xml | 34 ++++++- help/en_US/filter1.xml | 88 ++++++++++++++++ help/en_US/filter2.xml | 63 ++++++++++++ help/en_US/findpeaks.xml | 80 +++++++++++++++ help/en_US/fir1.xml | 68 +++++++++++++ help/en_US/fir2.xml | 71 +++++++++++++ help/en_US/freqz.xml | 93 +++++++++++++++++ help/en_US/idct1.xml | 36 ++++++- help/en_US/idct2.xml | 37 ++++++- help/en_US/idst1.xml | 36 ++++++- help/en_US/ifftn.xml | 55 ++++++++++ help/en_US/master_help.xml | 112 +++++++++++++++++++++ help/en_US/pwelch.xml | 76 ++++++++++++++ help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS | Bin 23582 -> 14746 bytes .../scilab_en_US_help/JavaHelpSearch/DOCS.TAB | Bin 3723 -> 1926 bytes .../en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS | Bin 1518 -> 875 bytes .../scilab_en_US_help/JavaHelpSearch/POSITIONS | Bin 100456 -> 63405 bytes help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA | 2 +- help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP | Bin 26760 -> 28672 bytes help/en_US/scilab_en_US_help/jhelpmap.jhm | 17 +++- help/en_US/scilab_en_US_help/jhelptoc.xml | 17 +++- help/en_US/sigmoid_train.xml | 35 ++++++- help/en_US/unwrap2.xml | 60 +++++++++++ 30 files changed, 1364 insertions(+), 8 deletions(-) create mode 100644 help/en_US/arch_fit.xml create mode 100644 help/en_US/autoreg_matrix.xml create mode 100644 help/en_US/cpsd.xml create mode 100644 help/en_US/dwt.xml create mode 100644 help/en_US/fftconv.xml create mode 100644 help/en_US/fftn.xml create mode 100644 help/en_US/filter1.xml create mode 100644 help/en_US/filter2.xml create mode 100644 help/en_US/findpeaks.xml create mode 100644 help/en_US/fir1.xml create mode 100644 help/en_US/fir2.xml create mode 100644 help/en_US/freqz.xml create mode 100644 help/en_US/ifftn.xml create mode 100644 help/en_US/pwelch.xml create mode 100644 help/en_US/unwrap2.xml (limited to 'help') diff --git a/help/en_US/arch_fit.xml b/help/en_US/arch_fit.xml new file mode 100644 index 0000000..b984137 --- /dev/null +++ b/help/en_US/arch_fit.xml @@ -0,0 +1,62 @@ + + + + + + + + arch_fit + This functions fits an ARCH regression model to the time series Y using the scoring algorithm in Engle's original ARCH paper. + + + + + Calling Sequence + + [A, B] = arch_fit (Y, X, P, ITER, GAMMA, A0, B0) + + + + + Parameters + + + + + + Description + +Fit an ARCH regression model to the time series Y using the scoring algorithm in Engle's original ARCH paper. + + +The model is + + +y(t) = b(1) * x(t,1) + ... + b(k) * x(t,k) + e(t), +h(t) = a(1) + a(2) * e(t-1)^2 + ... + a(p+1) * e(t-p)^2 + + +in which e(t) is N(0, h(t)), given a time-series vector Y up to time t-1 and a matrix of (ordinary) regressors X up to t. The order of the regression of the residual variance is specified by P. + + +If invoked as 'arch_fit (Y, K, P)' with a positive integer K, fit an ARCH(K, P) process, i.e., do the above with the t-th row of X given by + + +[1, y(t-1), ..., y(t-k)] + + +Optionally, one can specify the number of iterations ITER, the updating factor GAMMA, and initial values a0 and b0 for the scoring algorithm. + + + diff --git a/help/en_US/autoreg_matrix.xml b/help/en_US/autoreg_matrix.xml new file mode 100644 index 0000000..61fefef --- /dev/null +++ b/help/en_US/autoreg_matrix.xml @@ -0,0 +1,64 @@ + + + + + + + + autoreg_matrix + Given a time series (vector) Y, return a matrix with ones in the first column and the first K lagged values of Y in the other columns. + + + + + Calling Sequence + + autoreg_matrix(Y, K) + + + + + Parameters + + Y: + Vector + K: + Scalar or Vector + + + + + Description + +Given a time series (vector) Y, return a matrix with ones in the first column and the first K lagged values of Y in the other columns. + + +In other words, for T > K, '[1, Y(T-1), ..., Y(T-K)]' is the t-th row of the result. + + +The resulting matrix may be used as a regressor matrix in autoregressions. + + + + + Examples + + + diff --git a/help/en_US/cceps.xml b/help/en_US/cceps.xml index 5c8779a..f6610c9 100644 --- a/help/en_US/cceps.xml +++ b/help/en_US/cceps.xml @@ -29,10 +29,31 @@ + + Parameters + + x: + vector. + correct: + if 1, a correction method is applied. + + + Description This function return the complex cepstrum of the vector x. If the optional argument correct has the value 1, a correction method is applied. The default is not to do this. + + + Examples + + diff --git a/help/en_US/cpsd.xml b/help/en_US/cpsd.xml new file mode 100644 index 0000000..c0adc0c --- /dev/null +++ b/help/en_US/cpsd.xml @@ -0,0 +1,67 @@ + + + + + + + + cpsd + This function estimates cross power spectrum of data x and y by the Welch (1967) periodogram/FFT method. + + + + + Calling Sequence + + [PXX, FREQ] = cpsd(X, Y) + [...] = cpsd(X, Y, WINDOW) + [...] = cpsd(X, Y, WINDOW, OVERLAP) + [...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT) + [...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT, FS) + [...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT, FS, RANGE) + cpsd(...) + + + + + Parameters + + X, Y: + Matrix or integer + + + + + Description + +Estimate cross power spectrum of data X and Y by the Welch (1967) periodogram/FFT method. + + + + + Examples + + + diff --git a/help/en_US/dwt.xml b/help/en_US/dwt.xml new file mode 100644 index 0000000..3b0859f --- /dev/null +++ b/help/en_US/dwt.xml @@ -0,0 +1,68 @@ + + + + + + + + dwt + Discrete wavelet transform (1D) + + + + + Calling Sequence + + [U, V] = dwt(X, WNAME) + [U, V] = dwt(X, HP, GP) + [U, V] = dwt(X, HP, GP,...) + + + + + Parameters + + Inputs: + + X: + Signal Vector. + WNAME: + Wavelet name. + HP: + Coefficients of low-pass decomposition FIR filter. + GP: + Coefficients of high-pass decomposition FIR filter. + Outputs: + + U: + Signal vector of average, approximation. + V: + Signal vector of difference, detail. + + + + + Description + +This function calculates the discrete wavelet transform (1D). + + + + + Examples + + + diff --git a/help/en_US/fftconv.xml b/help/en_US/fftconv.xml new file mode 100644 index 0000000..8748aec --- /dev/null +++ b/help/en_US/fftconv.xml @@ -0,0 +1,55 @@ + + + + + + + + fftconv + Convolve two vectors using the FFT for computation. + + + + + Calling Sequence + + Y = fftconv(X, Y) + Y = fftconv(X, Y, N) + + + + + Parameters + + X, Y: + Vectors + + + + + Description + +Convolve two vectors using the FFT for computation. 'c' = fftconv (X, Y)' returns a vector of length equal to 'length(X) + length (Y) - 1'. If X and Y are the coefficient vectors of two polynomials, the returned value is the coefficient vector of the product polynomial. + + + + + Examples + + + diff --git a/help/en_US/fftn.xml b/help/en_US/fftn.xml new file mode 100644 index 0000000..26c56c8 --- /dev/null +++ b/help/en_US/fftn.xml @@ -0,0 +1,55 @@ + + + + + + + + fftn + This function computes the N-dimensional discrete Fourier transform of A using a Fast Fourier Transform (FFT) algorithm. + + + + + Calling Sequence + + Y = fftn(A) + Y = fftn(A, size) + + + + + Parameters + + A: + Matrix + + + + + Description + +This function computes the N-dimensional discrete Fourier transform of A using a Fast Fourier Transform (FFT) algorithm. The optional vector argument SIZE may be used specify the dimensions of the array to be used. If an element of SIZE is smaller than the corresponding dimension of A, then the dimension of A is truncated prior to performing the FFT. Otherwise, if an element of SIZE is larger than the corresponding dimension then A is resized and padded with zeros. + + + + + Examples + + + diff --git a/help/en_US/fht.xml b/help/en_US/fht.xml index 06311a3..69dada7 100644 --- a/help/en_US/fht.xml +++ b/help/en_US/fht.xml @@ -17,7 +17,39 @@ fht - funcprot(0); + The Function calculates the Fast Hartley Transform of real input. + + + Calling Sequence + + M = fht (D) + M = fht (D, N) + M = fht (D, N, DIM) + + + + + Parameters + + + + + + Description + +This function calculates the Fast Hartley transform of real input D. If D is a matrix, the Hartley transform is calculated along the columns by default. + + + + + Examples + + diff --git a/help/en_US/filter1.xml b/help/en_US/filter1.xml new file mode 100644 index 0000000..816c4e4 --- /dev/null +++ b/help/en_US/filter1.xml @@ -0,0 +1,88 @@ + + + + + + + + filter1 + Apply a 1-D digital filter to the data X. + + + + + Calling Sequence + + Y = filter1(B, A, X) + [Y, SF] = filter1(B, A, X, SI) + [Y, SF] = filter1(B, A, X, [], DIM) + [Y, SF] = filter1(B, A, X, SI, DIM) + + + + + Parameters + + B: + Matrix or Integer + A: + Matrix or Integer + X: + Matrix or Integer + + + + + Description + +'filter' returns the solution to the following linear, time-invariant difference equation: + + +N M + + +SUM a(k+1) y(n-k) = SUM b(k+1) x(n-k) for 1<=n<=length(x) + + +k=0 k=0 + + +where N=length(a)-1 and M=length(b)-1. The result is calculated over the first non-singleton dimension of X or over DIM if supplied. + + +An equivalent form of the equation is: + + +N M + + +y(n) = - SUM c(k+1) y(n-k) + SUM d(k+1) x(n-k) for 1<=n<=length(x) + + +k=1 k=0 + + +where c = a/a(1) and d = b/a(1). + + + + + Examples + + + diff --git a/help/en_US/filter2.xml b/help/en_US/filter2.xml new file mode 100644 index 0000000..9c54920 --- /dev/null +++ b/help/en_US/filter2.xml @@ -0,0 +1,63 @@ + + + + + + + + filter2 + Apply the 2-D FIR filter B to X. + + + + + Calling Sequence + + Y = filter2(B, X) + Y = filter2(B, X, SHAPE) + + + + + Parameters + + B, X: + Matrix + SHAPE: + + 'full': + pad X with zeros on all sides before filtering. + 'same': + unpadded X (default) + 'valid': + trim X after filtering so edge effects are no included. + + + + + Description + +This function applies the 2-D FIR filter B to X. If the argument SHAPE is specified, return an array of the desired shape. + + + + + Examples + + + diff --git a/help/en_US/findpeaks.xml b/help/en_US/findpeaks.xml new file mode 100644 index 0000000..51db28a --- /dev/null +++ b/help/en_US/findpeaks.xml @@ -0,0 +1,80 @@ + + + + + + + + findpeaks + This function find peaks on DATA. + + + + + Calling Sequence + + [PKS, LOC, EXTRA] = findpeaks(DATA) + [PKS, LOC, EXTRA] = findpeaks(..., PROPERTY, VALUE) + [PKS, LOC, EXTRA] = findpeaks(..., "DoubleSided") + + + + + Description + +Peaks of a positive array of data are defined as local maxima. For double-sided data, they are maxima of the positive part and minima of the negative part. DATA is expected to be a single column vector. + + +The function returns the value of DATA at the peaks in PKS. The index indicating their position is returned in LOC. + + +The third output argument is a structure with additional information: + + +"parabol": +A structure containing the parabola fitted to each returned peak. The structure has two fields, "x" and "pp". The field "pp" contains the coefficients of the 2nd degree polynomial and "x" the extrema of the intercal here it was fitted. + + +"height": +The estimated height of the returned peaks (in units of DATA). + + +"baseline": +The height at which the roots of the returned peaks were calculated (in units of DATA). + + +"roots": +The abscissa values (in index units) at which the parabola fitted to each of the returned peaks crosses the "baseline" value. The width of the peak is calculated by 'diff(roots)'. + + +This function accepts property-value pair given in the list below: + + +"MinPeakHeight": +Minimum peak height (positive scalar). Only peaks that exceed this value will be returned. For data taking positive and negative values use the option "DoubleSided". Default value '2*std (abs (detrend (data,0)))'. + + +"MinPeakDistance": +Minimum separation between (positive integer). Peaks separated by less than this distance are considered a single peak. This distance is also used to fit a second order polynomial to the peaks to estimate their width, therefore it acts as a smoothing parameter. Default value 4. + + +"MinPeakWidth": +Minimum width of peaks (positive integer). The width of the peaks is estimated using a parabola fitted to the neighborhood of each peak. The neighborhood size is equal to the value of "MinPeakDistance". The width is evaluated at the half height of the peak with baseline at "MinPeakHeight". Default value 2. + + +"DoubleSided": +Tells the function that data takes positive and negative values. The base-line for the peaks is taken as the mean value of the function. This is equivalent as passing the absolute value of the data after removing the mean. + + + diff --git a/help/en_US/fir1.xml b/help/en_US/fir1.xml new file mode 100644 index 0000000..c5650ba --- /dev/null +++ b/help/en_US/fir1.xml @@ -0,0 +1,68 @@ + + + + + + + + fir1 + Produce an order N FIR filter with the given frequency cutoff, returning the N+1 filter coefficients in B. + + + + + Calling Sequence + + B = fir1(N, W) + B = fir1(N, W, TYPE) + B = fir1(N, W, TYPE, WINDOW) + B = fir1(N, W, TYPE, WINDOW, NOSCALE) + + + + + Parameters + + N: + Integer + W: + Integer or Vector + + + + + Description + +Produce an order N FIR filter with the given frequency cutoff W, returning the N+1 filter coefficients in B. If W is a scalar, it specifies the frequency cutoff for a lowpass or highpass filter. If W is a two-element vector, the two values specify the edges of a bandpass or bandstop filter. If W is an N-element vector, each value specifies a band edge of a multiband pass/stop filter. + + +The filter TYPE can be specified with one of the following strings: "low", "high", "stop", "pass", "bandpass", "DC-0", or "DC-1". The default is "low" is W is a scalar, "pass" if W is a pair, or "DC-0" if W is a vector with more than 2 elements. + + +An optional shaping WINDOW can be given as a vector with length N+1. If not specified, a Hamming window of length N+1 is used. + + +With the option "noscale", the filter coefficients are not normalized. The default is to normalize the filter such that the magnitude response of the center of the first passband is 1. + + + + + Examples + + + diff --git a/help/en_US/fir2.xml b/help/en_US/fir2.xml new file mode 100644 index 0000000..932c474 --- /dev/null +++ b/help/en_US/fir2.xml @@ -0,0 +1,71 @@ + + + + + + + + fir2 + Produce an order N FIR filter with arbitrary frequency response M over frequency bands F, returning the N+1 filter coefficients in B. + + + + + Calling Sequence + + B = fir2(N, F, M) + B = fir2(N, F, M, GRID_N) + B = fir1(N, F, M, GRID_N, RAMP_N) + B = fir1(N, F, M, GRID_N, RAMP_N, WINDOW) + + + + + Parameters + + N: + Integer + F, M: + Vector + + + + + Description + +Produce an order N FIR filter with arbitrary frequency response M over frequency bands F, returning the N+1 filter coefficients in B. The vector F specifies the frequency band edges of the filter response and M specifies the magnitude response at each frequency. + + +The vector F must be nondecreasing over the range [0,1], and the first and last elements must be 0 and 1, respectively. A discontinuous jump in the frequency response can be specified by duplicating a band edge in F with different values in M. + + +The resolution over which the frequency response is evaluated can be controlled with the GRID_N argument. The default is 512 or the next larger power of 2 greater than the filter length. + + +The band transition width for discontinuities can be controlled with the RAMP_N argument. The default is GRID_N/25. Larger values will result in wider band transitions but better stopband rejection. + + +An optional shaping WINDOW can be given as a vector with length N+1. If not specified, a Hamming window of length N+1 is used. + + + + + Examples + + + diff --git a/help/en_US/freqz.xml b/help/en_US/freqz.xml new file mode 100644 index 0000000..8a29be7 --- /dev/null +++ b/help/en_US/freqz.xml @@ -0,0 +1,93 @@ + + + + + + + + freqz + This function returns the complex frequency response H of the rational IIR filter whose numerator and denominator coefficients are B and A, respectively. + + + + + Calling Sequence + + [H, W] = freqz(B, A, N, "whole") + [H, W] = freqz(B) + [H, W] = freqz(B, A) + [H, W] = freqz(B, A, N) + H = freqz(B, A, W) + [H, W] = freqz(..., FS) + freqz(...) + + + + + Parameters + + B, A, N: + Integer or Vector + + + + + Description + +Return the complex frequency response H of the rational IIR filter whose numerator and denominator coefficients are B and A, respectively. + + +The response is evaluated at N angular frequencies between 0 and 2*pi. + + +The output value W is a vector of the frequencies. + + +If A is omitted, the denominator is assumed to be 1 (this corresponds to a simple FIR filter). + + +If N is omitted, a value of 512 is assumed. For fastest computation, N should factor into a small number of small primes. + + +If the fourth argument, "whole", is omitted the response is evaluated at frequencies between 0 and pi. + + +'freqz (B, A, W)' + + +Evaluate the response at the specific frequencies in the vector W. The values for W are measured in radians. + + +'[...] = freqz (..., FS)' + + +Return frequencies in Hz instead of radians assuming a sampling rate FS. If you are evaluating the response at specific frequencies W, those frequencies should be requested in Hz rather than radians. + + +'freqz (...)' + + +Plot the magnitude and phase response of H rather than returning them. + + + + + Examples + + + diff --git a/help/en_US/idct1.xml b/help/en_US/idct1.xml index c43eb1c..7715570 100644 --- a/help/en_US/idct1.xml +++ b/help/en_US/idct1.xml @@ -17,7 +17,41 @@ idct1 - funcprot(0); + Compute the inverse discrete cosine transform of input. + + + Calling Sequence + + Y = idct1(X) + Y = idct1(X, N) + + + + + Parameters + + X: + Matrix or integer + N: + If N is given, then X is padded or trimmed to length N before computing the transform. + + + + + Description + +This function computes the inverse discrete cosine transform of input X. If N is given, then X is padded or trimmed to length N before computing the transform. If X is a matrix, compute the transform along the columns of the the matrix. The transform is faster if X is real-valued and even length. + + + + + Examples + + diff --git a/help/en_US/idct2.xml b/help/en_US/idct2.xml index 0e7fcdc..ae4d2e8 100644 --- a/help/en_US/idct2.xml +++ b/help/en_US/idct2.xml @@ -17,7 +17,42 @@ idct2 - funcprot(0); + This function computes the inverse 2-D discrete cosine transform of input matrix. + + + Calling Sequence + + Y = idct2(X) + Y = idct2(X, M, N) + Y = idct2(X, [M, N]) + + + + + Parameters + + X: + Matrix or integer + M, N: + If specified Matrix X is padded with M rows and N columns. + + + + + Description + +This function computes the inverse 2-D discrete cosine transform of matrix X. If M and N are specified, the input is either padded or truncated to have M rows and N columns. + + + + + Examples + + diff --git a/help/en_US/idst1.xml b/help/en_US/idst1.xml index 74a9f0e..200ec53 100644 --- a/help/en_US/idst1.xml +++ b/help/en_US/idst1.xml @@ -17,7 +17,41 @@ idst1 - funcprot(0); + This function computes the inverse type I discrete sine transform. + + + Calling Sequence + + Y = idst(X) + Y = idst(X, N) + + + + + Parameters + + X: + Matrix or integer + N: + If N is given, then X is padded or trimmed to length N before computing the transform. + + + + + Description + +This function computes the inverse type I discrete sine transform of Y. If N is given, then Y is padded or trimmed to length N before computing the transform. If Y is a matrix, compute the transform along the columns of the the matrix. + + + + + Examples + + diff --git a/help/en_US/ifftn.xml b/help/en_US/ifftn.xml new file mode 100644 index 0000000..6b21e57 --- /dev/null +++ b/help/en_US/ifftn.xml @@ -0,0 +1,55 @@ + + + + + + + + ifftn + Compute the inverse N-dimensional discrete Fourier transform of A using a Fast Fourier Transform (FFT) algorithm. + + + + + Calling Sequence + + Y = ifftn(A) + Y = ifftn(A, size) + + + + + Parameters + + A: + Matrix + + + + + Description + +Compute the inverse N-dimensional discrete Fourier transform of A using a Fast Fourier Transform (FFT) algorithm. The optional vector argument SIZE may be used specify the dimensions of the array to be used. If an element of SIZE is smaller than the corresponding dimension of A, then the dimension of A is truncated prior to performing the inverse FFT. Otherwise, if an element of SIZE is larger than the corresponding dimension then A is resized and padded with zeros. + + + + + Examples + + + diff --git a/help/en_US/master_help.xml b/help/en_US/master_help.xml index b1dc7df..faad085 100644 --- a/help/en_US/master_help.xml +++ b/help/en_US/master_help.xml @@ -5,11 +5,14 @@ + + + @@ -18,12 +21,16 @@ + + + + @@ -34,8 +41,11 @@ + + + @@ -43,23 +53,39 @@ + + + + + + + + + + + + + + + + @@ -68,14 +94,26 @@ + + + + + + + + + + + + @@ -105,6 +143,7 @@ + @@ -112,6 +151,7 @@ + @@ -132,13 +172,16 @@ + + + @@ -157,6 +200,9 @@ + + + @@ -165,11 +211,16 @@ + + + + + @@ -183,19 +234,24 @@ + + + + + ]> @@ -217,11 +273,14 @@ &afada58a5f5efa94bcba150f3d7ef37ec; &af43cf87eec8e014a9baf4bdd9f091652; &aeb72ef6afa5caac6c0198bf06e8d8d39; +&a6aabe8f18f007997a71126aa0979fb4a; &aaa1106b0c11e3c85c5fd3b254546d61d; &ae9004011d22c5c9b12dc2e54d6812b21; &a4caa34fab913bd6c4272de961a55bca2; +&aa409bb8056e8b0d6187e391a89ed37e4; &a25e614283dd3e99e0fb093d1db465868; &a0c94bc97d460f725b92f352b99c87e60; +&ad608be4913105add3975482c77a0577b; &aa116b32936e2bbc43a1851815477dc50; &a717bcfb5b33c5617b6df4a88a35825db; &a2e363437a83944ea4bbda8ba05793277; @@ -230,12 +289,16 @@ &a67d33687ff3441293c015e9f53640d4b; &aa33653ce5f6a767a34177a92dad8831d; &ac9bfbd0f547b9f7951782fffc297ce8f; +&a90a33fd44bde416966e643c2e1f5a9be; &a92ca529f2e4c50ecbb42fe6ac66b4ad7; &aac95818ba66b9133270a9b65f48f4512; &a90ab60d82d7a54f62db9da2aa96abb62; &acc531aceceaba9ba5f63feb980982703; &a9763f77681100b2386601412d6c68a45; +&a8d56e29d6adcb68ba8e8720a67d6dbca; +&abb55971acee64e3a7d327435b14039d9; &a2e5fe5c92463618e3ac3eb6184a6514c; +&ac49cc4ea2f6b9cbb3a0bd7f3019e8da2; &a3d1f4797b814d4d10c4b1cd0a2316e6e; &a68acc0f447018aa08e92e1d6480e95fb; &ae603f65da6a3448e705b61733191f7e1; @@ -246,8 +309,11 @@ &ae2ea4b53ce51be512488c507ba5c1a97; &a2a8b19d4177c255e54f833c3e9c12de4; &af5072b843b624620f72a1118678bb51c; +&a89ebaa1b61638ce9e0d6e39e8ca5ae6e; +&ac084863a52a16f111c217d2147875171; &a219b5a6958a48155175d7f125e0225b6; &a4892c6c6a094e865579eaa9fa0a1e315; 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&ab9bfb86cd1cf6ba152f3c449acb53388; +&a91b3b602384347b37149f69d4b248e5b; +&acff56882e709dc61d60b4ba08b57bf30; +&a903ea7913267e4272f06b505d6747b8a; &ac5190b237eb80bce61bbb4731ebceaee; &a54eab5301da6f8ad94a0fc666a534f62; &aa76196c36e5195482e23ee95909d6a4c; &a02e375d7ce5589ce592ef3e186e8c6a5; +&a3619415aa644dd228e380da2a3eaef17; +&aa287c3d9218de7f3f633a7e8ac4d6375; &ab4ef5778ac13a477d0131b5d8dade1e4; &a76e1e372415f1013b0f4fd861c56f2ea; +&a3361edb09d287dbf895768af7d2b67ac; &ad08ce8e4fb40cfb3416c522ca5738730; &ac2cf40da1bec1c1f630828ed99d9fa7c; &a235f867faca505720e2e2fc0dc7523ee; @@ -280,14 +362,26 @@ &a34b064123c25ed2a3df8772bc9148fa4; &a27489d7d314a41da10ff2ea221dc99bd; &a4a70061acbb347c0c6dbc7efc58a825b; +&a83f4022a590da79f06314e332fb57964; &a050f686ed9bf3b9bbaeafa85839f88ea; +&ad0092592ad5c1c075f652460d9d1ef0b; +&ac2355159c0f5222b7a0e5c0bca6691a3; &a6907d352bc8acb64f7672236214e003a; +&a6db9e838b8414ca3182198666b473858; +&a66f950966eccc13d02abf2492a8c2633; +&ae2701c463cc2097670da86ab350096b2; +&a35e3d3dc316e36b8bb63e07dd0384a19; +&aece96f8ec713cecd81455436a33f398c; +&a3836b450a147ddf316f933f14d7fd733; +&a74970f8e563b704aeaf350c021fb5476; +&a57e95a78cb94fdfae389ddd61654c7b7; &ab7d38187b4f79ff0529d4c4c08b1d633; &a600b90a016f69bf4507022af617c8112; &a130a6a07303e6d40c88cc13f0df4f677; &a47f33d823a99a5b6ba0700bd44f2eedb; &ad090a8d9058532d5b76d3c76f0927647; &ac086f90347e9bff367792faa5b55509c; +&aa4744fb9b700d8b0b46ec196cbb95b44; &a80d3837625985b4ea64c9fb8d21a2154; &a00aa26c59c877bc3fe918913a5da59df; &a7b1fc3f4b6f003df1d6b163f86ac2cc3; @@ -317,6 +411,7 @@ &aae7674d788c35e75f2a52af92dc855bc; &ab4b637128ca75fb1cef24e3cba016008; &a7022b9d1c7c194f27b1dd6bc4e093697; +&a22b2e0fbafdb8bafd1f839de21c0b6d3; &aef8e0226f6126afb2453e659221e7330; &aecbf6dfa1f6fa4c17585ac7e4eff69ef; &a2d885644b44b3b9676bb9522b2302d9e; @@ -324,6 +419,7 @@ &aeae065e98e5caf4232a0aecc3a78dae6; &a4ca7eb2183d94674b01f6b4d20a0a8f3; &a2e2ff138201e7a3c659cc2e16a226ea5; +&abaf131b2b3d2ae8d36e8c8432a86c76e; &a418de0bebfad1312e130535833127f08; &a96429758f8b959e506c7a66d5b360b54; &a917d366f9f46037f6a8e01126615b102; @@ -344,13 +440,16 @@ &a7d6411a5dd16d795cf44bbe48c3289ad; &a15e621608a3503fb64669da1d9ca8619; &a7c72c8a8d7d554e521e83060089815fa; +&a41b216b4221003e37430d62741b53674; &a7c8bf8293a571fb2d6d94dc53959266a; &ab54c5530e341558ddfc71ec8ffb45aac; &a9b8b0d208fe7a2581097650c4eed31bf; &a9fa8430a1f63fbea843dbadf6aa070ab; +&a5b4d17dc62ec05996659345c7976e925; &a9114be05b5cf59a0cffc8921b4d5f918; &a9b1d2e56d8d2907f6b9fb0f20f641573; &a8f8cb27d2a1e48303a9597f4e60e731b; +&ab588364a5a6dc5cbef40ba304937535e; &a050b38bceab9f2dd907cbbb0d14ab2f4; &a716d878bc9e3e1fb19a5357ef70823f7; &a6afb5f3f3514b7e47d13299e5064d0af; @@ -369,6 +468,9 @@ &a23b2c788dac918bb541cee278c217004; &a375c8e3fce488c88fd2ad58e421cb109; &a05ea7008eb727c478f18a19acf34e221; +&a2d5abd2e3f494fa8aa5a1fda1e3fe97d; +&aba917d88e24d3cdb67d0a30648baf135; +&a77af4f436f46bbe1c520a69810878738; &a9058a43e855325dd2da653945e7c5317; &ab55327a4128934be29626f54b82503e3; &a18ff41a908bdd56dea489618073337b1; @@ -377,11 +479,16 @@ &a72cacbd2a95ba7e1c27d8220b58a1681; &a625e1803c72496b56195689f9388f40e; &a1cdc594306227014fb9570da9fdfaba5; +&a3ad3cf4e5b2280c1d39e73697d2e0703; +&af65d36d0045a53116ac5cabfbe2532d8; +&a72ee20bc8d2f984c74fb6b2d78aefde9; &aaa714a94f0c1e251775fd03f088f3589; &af64d9784de8ecdcce28f1963d081aa2a; +&a9428ce50ebae3632ff1785b63c1927f2; &a76a6fdb476060a229f6bb52e29d99667; &a984843fd00f52de0c91d72a2f2d35c60; &aa68766b620d78caaa210ddf54e4740c6; +&a8d13ba80513494b100ae5ea4c9447b23; &a9498b8e51ebd5d30b14e4ae51f11a0e4; &a414cd2bf4fbb0240eb4cb3cc3193e8a5; &a92393e692247c0be55c2903ed953eb1f; @@ -395,19 +502,24 @@ &a8169e81c662c3c6f99fcfd31a716f003; &a61486111f2c5646c41de7852a40890d3; &a9ba6cffd73212e01a5a1cf48c370f31b; +&aa6ea0e42d563afd880791f90998b255e; &a5ff4fb227aad23a52510b08738d06635; &a624b692de7106f79b52675e6f6e864db; &ab5ec2471f2a87567d2eda164da9cfc88; &a7f2f6a5c9d5ae84e00a33bc655680cbc; &a86c828962a88c80762ba774eb4689015; +&a1b3c54fa17a87f990cd5c598b8596a7f; &a1ec494594cb2a65f69a4c305135a03dc; &a3024e7b1d5ec82a1746c1bb317b05bdd; &ae56b79980853d5c39cda79745ad43e1c; &afb072dbcb7e8025a801eb32f37a69dfb; &a9cce784055276e298cf721d8e269c31c; &a4fefe2dc30b34efba778dabc938cfb1a; +&a5c0de8e76e98d829ae4248a111b9dcc1; &ad84d3dcc40317a06780d4e68cbec8db0; &a522ad212c78230cdbad7a4a0d8daaadd; +&a43e6009f0c84023ead90b9b3be5dadda; +&a12ef6825039287d0044673d386606895; &ad0a91e7320d3da715c8e58990f5397a4; diff --git a/help/en_US/pwelch.xml b/help/en_US/pwelch.xml new file mode 100644 index 0000000..edc3a51 --- /dev/null +++ b/help/en_US/pwelch.xml @@ -0,0 +1,76 @@ + + + + + + + + pwelch + Estimate power spectral density of data "x" by the Welch (1967) periodogram/FFT method. + + + + + Calling Sequence + + [spectra,freq] = pwelch(x, window, overlap, Nfft, Fs, range, plot_type, detrend, sloppy) + [spectra,freq] = pwelch(x, y, window, overlap, Nfft, Fs, range, plot_type, detrend, sloppy, results) + [spectra,Pxx_ci,freq] = pwelch(x, window, overlap, Nfft, Fs, conf, range, plot_type, detrend, sloppy) + [spectra,Pxx_ci,freq] = pwelch(x, y, window, overlap, Nfft, Fs, conf, range, plot_type, detrend, sloppy, results) + + + + + Parameters + + x: + [non-empty vector] system-input time-series data + y: + [non-empty vector] system-output time-series data + window: + [real vector] of window-function values between 0 and 1; the data segment has the same length as the window. Default window shape is Hamming. [integer scalar] length of each data segment. The default value is window=sqrt(length(x)) rounded up to the nearest integer power of 2; see 'sloppy' argument. + overlap: + [real scalar] segment overlap expressed as a multiple of window or segment length. 0 <= overlap < 1, The default is overlap=0.5 . + Nfft: + [integer scalar] Length of FFT. The default is the length of the "window" vector or has the same value as the scalar "window" argument. If Nfft is larger than the segment length, "seg_len", the data segment is padded with "Nfft-seg_len" zeros. The default is no padding. Nfft values smaller than the length of the data segment (or window) are ignored silently. + Fs: + [real scalar] sampling frequency (Hertz); default=1.0 + conf: + [real scalar] confidence level between 0 and 1. Confidence intervals of the spectral density are estimated from scatter in the periodograms and are returned as Pxx_ci. Pxx_ci(:,1) is the lower bound of the confidence interval and Pxx_ci(:,2) is the upper bound. If there are three return values, or conf is an empty matrix, confidence intervals are calculated for conf=0.95 . If conf is zero or is not given, confidence intervals are not calculated. Confidence intervals can be obtained only for the power spectral density of x; nothing else. + range: + + 'half', 'onesided' : + frequency range of the spectrum is zero up to but not including Fs/2. Power from negative frequencies is added to the positive side of the spectrum, but not at zero or Nyquist (Fs/2) frequencies. This keeps power equal in time and spectral domains. See reference [2]. + 'whole', 'twosided' : + frequency range of the spectrum is -Fs/2 to Fs/2, with negative frequencies stored in "wrap around" order after the positive frequencies; e.g. frequencies for a 10-point 'twosided' spectrum are 0 0.1 0.2 0.3 0.4 0.5 -0.4 -0.3 -0.2 -0.1 + 'shift', 'centerdc' : + same as 'whole' but with the first half of the spectrum swapped with second half to put the zero-frequency value in the middle. (See "help fftshift". If data (x and y) are real, the default range is 'half', otherwise default range is 'whole'. + plot_type: + + 'plot', 'semilogx', 'semilogy', 'loglog', 'squared' or 'db': + specifies the type of plot. The default is 'plot', which means linear-linear axes. 'squared' is the same as 'plot'. 'dB' plots "10*log10(psd)". This argument is ignored and a spectrum is not plotted if the caller requires a returned value. + detrend: + 'no-strip', 'none' -- do NOT remove mean value from the data 'short', 'mean' -- remove the mean value of each segment from each segment of the data. + sloppy: + FFT length is rounded up to the nearest integer power of 2 by zero padding. FFT length is adjusted after addition of padding by explicit Nfft argument. The default is to use exactly the FFT and window. + + + + + Description + +Estimate power spectral density of data "x" by the Welch (1967) periodogram/FFT method. The data is divided into segments. If "window" is a vector, each segment has the same length as "window" and is multiplied by "window" before (optional) zero-padding and calculation of its periodogram. If "window" is a scalar, each segment has a length of "window" and a Hamming window is used. The spectral density is the mean of the periodograms, scaled so that area under the spectrum is the same as the mean square of the data. This equivalence is supposed to be exact, but in practice there is a mismatch of up to 0.5% when comparing area under a periodogram with the mean square of the data. + + + diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS index 1c0a160..3b7e8d4 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB index 8b4ef1f..2ec6ce0 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB and b/help/en_US/scilab_en_US_help/JavaHelpSearch/DOCS.TAB differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS index 44b7b1f..f05af2a 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/OFFSETS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS index 2f0feea..7e9b346 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS and b/help/en_US/scilab_en_US_help/JavaHelpSearch/POSITIONS differ diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA index 677736a..cdf50b6 100644 --- a/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA +++ b/help/en_US/scilab_en_US_help/JavaHelpSearch/SCHEMA @@ -1,2 +1,2 @@ JavaSearch 1.0 -TMAP bs=2048 rt=1 fl=-1 id1=1967 id2=1 +TMAP bs=2048 rt=1 fl=-1 id1=2602 id2=1 diff --git a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP index 067ca95..ff9d462 100644 Binary files a/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP and b/help/en_US/scilab_en_US_help/JavaHelpSearch/TMAP differ diff --git a/help/en_US/scilab_en_US_help/jhelpmap.jhm b/help/en_US/scilab_en_US_help/jhelpmap.jhm index add47c8..a41a91e 100644 --- a/help/en_US/scilab_en_US_help/jhelpmap.jhm +++ b/help/en_US/scilab_en_US_help/jhelpmap.jhm @@ -2,14 +2,16 @@ - + + + @@ -42,6 +44,7 @@ + @@ -54,6 +57,7 @@ + @@ -62,17 +66,25 @@ + + + + + + + + @@ -94,6 +106,7 @@ + @@ -161,6 +174,7 @@ + @@ -222,6 +236,7 @@ + diff --git a/help/en_US/scilab_en_US_help/jhelptoc.xml b/help/en_US/scilab_en_US_help/jhelptoc.xml index 4db2aa2..82abfa8 100644 --- a/help/en_US/scilab_en_US_help/jhelptoc.xml +++ b/help/en_US/scilab_en_US_help/jhelptoc.xml @@ -2,14 +2,16 @@ - + + + @@ -42,6 +44,7 @@ + @@ -54,6 +57,7 @@ + @@ -62,17 +66,25 @@ + + + + + + + + @@ -94,6 +106,7 @@ + @@ -161,6 +174,7 @@ + @@ -222,6 +236,7 @@ + diff --git a/help/en_US/sigmoid_train.xml b/help/en_US/sigmoid_train.xml index 07a86b7..6f57b3f 100644 --- a/help/en_US/sigmoid_train.xml +++ b/help/en_US/sigmoid_train.xml @@ -17,7 +17,40 @@ sigmoid_train - funcprot(0); + Evaluate a train of sigmoid functions at T. + + + Calling Sequence + + y = sigmoid_train(t, ranges, rc) + + + + + Parameters + + t: + integer + ranges: + matrix + + + + + Description + +The number and duration of each sigmoid is determined from RANGES. Each row of RANGES represents a real interval, e.g. if sigmoid 'i' starts at 't=0.1' and ends at 't=0.5', then 'RANGES(i,:) = [0.1 0.5]'. The input RC is an array that defines the rising and falling time constants of each sigmoid. Its size must equal the size of RANGES. + + + + + Examples + + diff --git a/help/en_US/unwrap2.xml b/help/en_US/unwrap2.xml new file mode 100644 index 0000000..31523de --- /dev/null +++ b/help/en_US/unwrap2.xml @@ -0,0 +1,60 @@ + + + + + + + + unwrap2 + Unwrap radian phases by adding or subtracting multiples of 2*pi. + + + + + Calling Sequence + + B = unwrap(X) + B = unwrap(X, TOL) + B = unwrap(X, TOL, DIM) + + + + + Parameters + + + + + + Description + +This function unwraps radian phases by adding or subtracting multiples of 2*pi as appropriate to remove jumps greater than TOL. + + +TOL defaults to pi. + + +Unwrap will work along the dimension DIM. If DIM is unspecified it defaults to the first non-singleton dimension. + + + + + Examples + + + -- cgit