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Re: Fourier Transform

• To: mathgroup at smc.vnet.net
• Subject: [mg124243] Re: Fourier Transform
• From: Peter Breitfeld <phbrf at t-online.de>
• Date: Sat, 14 Jan 2012 17:08:41 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <jercl1$1d8$1@smc.vnet.net>

jstorch at earthlink.net wrote:

> Mathematica hangs when trying to evaluate the simple Fourier Transform
> of H(a-|t|).
>
> FourierTransform[HeavisideTheta[a-abs[t]],t,w,Assumptions->a>0]
>
> (The answer should be Sqrt(2/Pi) (Sin[w a])/w  )
>

If you replace abs with Abs, it will not hang. Remember: All Mathematica
build-in function-names start with a capital Letter.
-- 
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de