File: chepol.man

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.TH chepol 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
chepol - Chebychev polynomial
.SH CALLING SEQUENCE
.nf
[Tn]=chepol(n,var)
.fi
.SH PARAMETERS
.TP
n
: integer : polynomial order
.TP
var
: string : polynomial variable
.TP
Tn
: polynomial in the variable \fVvar\fR
.SH DESCRIPTION
Recursive implementation of Chebychev polynomial.
\fVTn=2*poly(0,var)*chepol(n-1,var)-chepol(n-2,var)\fR with
\fVT0=1\fR and \fVT1=poly(0,var)\fR.
.SH EXAMPLE
.nf
chepol(4,'x')
.fi
.SH AUTHOR
F. D.