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MathGroup Archive 2004

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fourier ( FFT )

  • To: mathgroup at
  • Subject: [mg52077] fourier ( FFT )
  • From: bar at
  • Date: Wed, 10 Nov 2004 04:45:14 -0500 (EST)
  • Sender: owner-wri-mathgroup at


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

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