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MathGroup Archive 1997

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Re: Fourier Transform

  • To: mathgroup at smc.vnet.net
  • Subject: [mg6446] Re: [mg6424] Fourier Transform
  • From: seanross at worldnet.att.net
  • Date: Fri, 21 Mar 1997 22:59:43 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Woo Sanghyuk wrote:
> 
> I'm using Mathematica v2.2.2 on the Macintosh.
> Why Fourier[list] which is built in function doesn't work!
> My system is Macintosh performa 5200 with MacOS 7.6.

On my system,
Fourier[{1,1,1,-1,-1,-1}] returns the same as on your system, however
Fourier[1.,1.,1.,-1.,-1.,-1.}] returns a numerical result.  I guess I 
had never tried to do fourier transforms on integers before.  The funny 
thing is that the example on page 111 of version 2 of the mathematic 
book does give the impression that numerical results will be returned 
for integer input to the function Fourier.


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