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Re: FourierTransform of Sinc Function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44311] Re: FourierTransform of Sinc Function
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 5 Nov 2003 10:00:34 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <200310281053.FAA25777@smc.vnet.net> <bo7of6$ag8$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

what is mysterious on

In[]:=FourierTransform[Sin[w*x]/x, x, k]

Out[]=(Sqrt[Pi/2]*(-Sign[k - w] + Sign[k + w]))/2

Regards
  Jens

Kieng wrote:
> 
> Dear All,
> 
>  I tested the Fourier Function on a sinc function which should give the
> top-hat but mathatmatica gave some mysterious plot that I don't understand.
> Anyone knows what is going on.
> 
> Thank you very much,
> Sorasak


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