[Date Index] [Thread Index] [Author Index]

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

• Follow-Ups:
  • Re: Re: FourierTransform of Sinc Function
    • From: "Kieng" <Sorasak@brown.edu>