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/cheb.xml | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 help/en_US/cheb.xml (limited to 'help/en_US/cheb.xml') 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 + + + -- cgit