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fourier transform

• To: mathgroup at smc.vnet.net
• Subject: [mg61203] fourier transform
• From: Masrur Hossain <Lessjunk at yahoo.com>
• Date: Wed, 12 Oct 2005 01:43:22 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi folks
           I have a list of pairs of numbers like

  {{1.2, 3.4}, {2.2, 3.6}............}
The first part is time and second part is amplitude.

when I do the fourier transform by using
Fourier[list]

it gives me list of complex numbers but I expect real numbers
(i.e . amplitude versus frequency)


Any help appreciated.

thanks
-- 
Masrur Hossain

• Follow-Ups:
  • Re: fourier transform
    • From: Pratik Desai <pdesai1@umbc.edu>