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Re: 2D FFT Slow. Any ideas? [message #37249 is a reply to message #37246]

Fri, 05 December 2003 10:32

K. Bowman
Messages: 330
Registered: May 2000

Senior Member

In article <gN3Ab.767$o_.32178@news.uswest.net>,
"R.G. Stockwell" <noemail@please.com> wrote:

> And, I'm surprised that the canned IDL is not very fast. Any chance you
> don't really
> have a 2048^2 array in idl (did you make a 2049^2 array for instance?)
>
> If you post a blip of example code, I can run them here (matlab and idl) and
> verify the time difference,
> which would be very interesting.
>
>

Also, don't forget, IDL only does complex FFTs. Does Matlab do real
FFTs?

Ken Bowman

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[Message index]

		Re: 2D FFT Slow. Any ideas? By: Brian on Mon, 08 December 2003 00:02
		Re: 2D FFT Slow. Any ideas? By: R.G. Stockwell on Fri, 05 December 2003 13:05
		Re: 2D FFT Slow. Any ideas? By: K. Bowman on Fri, 05 December 2003 10:32
		Re: 2D FFT Slow. Any ideas? By: R.G. Stockwell on Fri, 05 December 2003 10:04
		Re: 2D FFT Slow. Any ideas? By: Richard French on Mon, 08 December 2003 12:17

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