File: chepol.cat

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chepol(1)                      Scilab Function                      chepol(1)
NAME
  chepol - Chebychev polynomial

CALLING SEQUENCE
  [Tn]=chepol(n,var)

PARAMETERS

  n    : integer : polynomial order

  var  : string : polynomial variable

  Tn   : polynomial in the variable var

DESCRIPTION
  Recursive implementation of Chebychev polynomial.
  Tn=2*poly(0,var)*chepol(n-1,var)-chepol(n-2,var) with T0=1 and
  T1=poly(0,var).

EXAMPLE
  chepol(4,'x')

AUTHOR
  F. D.