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Re: Fourier transform of the delta function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37558] Re: Fourier transform of the delta function
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 5 Nov 2002 04:59:28 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <apvdt1$rvi$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

FourierTransform[DiracDelta[f - (-1 + 10^(n T/c)/b)], f, t]

gives

E^(I*(-1 + 10^((n*T)/c)/b)*t)/Sqrt[2*Pi]

in Mathematica 4.2

Regards
  Jens

Matt Flax wrote:
> 
> Hello,
> 
> Any suggestions for the evaluation of the following ?
> FourierTransform[
>     KroneckerDelta[f-(-1 + 10^(n T/c)/b)], f, t]
> 
> or even this :
> FourierTransform[
>     DiracDelta[f-(-1 + 10^(n T/c)/b)], f, t]
> 
> Mathematica simply spits back the same input.
> 
> thanks
> Matt
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