modulate.m
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- function Q = modulate(P)
- %MODULATE Modulation for a Laurent polynomial.
- % Q = MODULATE(P) returns the Laurent polynomial Q obtained by
- % a modulation on the Laurent polynomial P: Q(z) = P(-z).
- %
- % See also DYADDOWN, DYADUP, NEWVAR, REFLECT.
- % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 21-Mar-2001.
- % Last Revision: 13-Jun-2003.
- % Copyright 1995-2004 The MathWorks, Inc.
- % $Revision: 1.1.6.2 $ $Date: 2004/04/13 00:38:55 $
- Q = newvar(P,'-z');