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/en_US') 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/en_US') 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/en_US') 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/en_US') 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