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Re: Finding the Fourier transform of discrete functions

• To: mathgroup at smc.vnet.net
• Subject: [mg52524] Re: Finding the Fourier transform of discrete functions
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Wed, 1 Dec 2004 05:57:38 -0500 (EST)
• Organization: Uni Leipzig
• References: <cohi1d$1fh$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

what is a "discrete function". If it is discrete you have a array of
discrete data and Fourier[] compute the DFT of the array, if it is
a function, the parameter is continuous and FourierTransform[]
compute the transformation.

Regards
  Jens


"Luca" <luca at nospam.it> schrieb im Newsbeitrag 
news:cohi1d$1fh$1 at smc.vnet.net...
>I found out it's possible to determine the Fourier transform of a
> function. I tried to look for the discrete fourier transform in the
> guide, but I can find the item in the list without any explaination of
> the function. Is it possible to find the Fourier transform of a
> discrete function?
> Thanks to everyone.
>
> Luca
> 

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