Re: finding Fourier Series.
- To: mathgroup at smc.vnet.net
 - Subject: [mg63888] Re: finding Fourier Series.
 - From: pdesai1 at umbc.edu
 - Date: Sat, 21 Jan 2006 01:50:36 -0500 (EST)
 - References: <200601180739.CAA26311@smc.vnet.net><dqqbie$lr3$1@smc.vnet.net>
 - Sender: owner-wri-mathgroup at wolfram.com
 
Carl K. Woll wrote:
> bd satish wrote:
> >    Hi buddies,
> >
> >         Which command (in  MATHEMATICA) should I use to evaluate the
> > so-called Discrete-Time Fourier Series ?
> >
>
Hmm.. Is'nt that something like the Z-Transform??
> Perhaps the functions in the standard package Calculus`FourierTransform`
> may help?
>
> Carl Woll
> Wolfram Research
>
> >      Another bug: ---
> >
> >
> >     The command  FOURIER[ { list } ]   finds the FFT (Fast Fourier
> > Transform) of a list.   How can I evaluate  FFT symbolically (instead of a
> > numerical list ) ?
> >
> >     Specifically ,
> >
> >          find the FFT of    a^n * UnitStep[n]    , n belongs to integer
> > and   Abs[a] < 1
> >
- References:
- finding Fourier Series.
- From: bd satish <bdsatish@gmail.com>
 
 
 - finding Fourier Series.