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MathGroup Archive 1998

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Re: Fourier transform

  • To: mathgroup at smc.vnet.net
  • Subject: [mg13954] Re: Fourier transform
  • From: David Annetts <dannetts at laurel.ocs.mq.edu.au>
  • Date: Fri, 11 Sep 1998 15:06:44 -0400
  • Organization: CRCAMET/Macquarie University
  • References: <6t2k48$41j@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Jens-Peer

> Fourier[] implements a numerical fast fourier transform. That means that
> the data passed to Fourier[] are  the function values f(t) on the
> interval t in [0,2Pi) with constant increment. The data are assumed to
> be periodic in t with period 2Pi.

 My understanding was that Fourier implemented a Discrete Fourier
Transform as a general case, and a Fast Fourier Transform if your data
length an integer power of 2.

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