MathGroup Archive 1999

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

Search the Archive

Problem with FourierTransform in V4

  • To: mathgroup at
  • Subject: [mg18823] Problem with FourierTransform in V4
  • From: "Alex Scheitlin" <alex-s at>
  • Date: Thu, 22 Jul 1999 08:19:35 -0400
  • Organization: AT&T WorldNet Services
  • Sender: owner-wri-mathgroup at

I'm running Mathematica 4 on Windows and found the following odd situation,

in: FourierTransform[y'[x] + y[x], x, w]
out:FourierTransform[y'[x] + y[x], x, w]

FourierTransform didn't distribute over addition.

even though
in: FourierTransform[y'[x] , x, w]
out:-\[ImaginaryI] w FourierTransform[y[x], x, w]

worked correctly.

I found FourierTransform[u[x]+v[x], x, w] also didn't work even though it
did work when expressions were assigned to u and v.

BTW: Wolfram support said use Distribute[FourierTransform[...]] as a

  • Prev by Date: Re: HDF export
  • Next by Date: lobster modeling
  • Previous by thread: Re: Q: Can I create a button function ?
  • Next by thread: lobster modeling