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fourier ( FFT )

• To: mathgroup at smc.vnet.net
• Subject: [mg52077] fourier ( FFT )
• From: bar at ANTYSPAM.ap.krakow.pl
• Date: Wed, 10 Nov 2004 04:45:14 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hi

My file has form:
x1  f(x1)
x2  f(x2) ....

How can I use Mathematica to obtain frequencies ?

Fourier[] works on only one list!

When i tested with f(x)=Sin[a x] sometimes 
i obtained wrong result.


regards, Olaf

• Follow-Ups:
  • Re: fourier ( FFT )
    • From: yehuda ben-shimol <benshimo@bgu.ac.il>
  • Re: fourier ( FFT )
    • From: Sseziwa Mukasa <mukasa@jeol.com>