Mathematica 9 is now available
Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2010

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

Search the Archive

Re: A integral

  • To: mathgroup at smc.vnet.net
  • Subject: [mg113222] Re: A integral
  • From: Christopher Arthur <aarthur at tx.rr.com>
  • Date: Tue, 19 Oct 2010 05:56:19 -0400 (EDT)
  • References: <201010180947.FAA00971@smc.vnet.net>

A FourierTransform[] is what you want. 
Chris

liblenovo a écrit :
> When I input:
>
>   Integrate[E^(I k x), {x, -\[Infinity], +\[Infinity]}]
>
> It comes out:
>
>   Integrate::idiv: Integral of E^(I k x) does not converge on {-\[Infinity],\[Infinity]}
>
> But I hope the result is:
>   DiracDelta[k]
>
> Does anyone know how to do it?
>
>
>   



  • References:
    • A integral
      • From: liblenovo <liblenovo@gmail.com>
  • Prev by Date: Tree with repeated labels
  • Next by Date: Symbolic Manipulation of Matrices [Newbie Question]
  • Previous by thread: A integral
  • Next by thread: working with lists