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Re: n-point FFT [message #22614 is a reply to message #22601]

Tue, 21 November 2000 00:00

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

Jean Marc Delvit <delvit@onecert.fr> writes:
>
> I wants to know how to do a n-point FFT with IDL
> the same of FFT(X,n) in matlab (if the length of X is less than n, X is
> padded with trailing zeros to length n)

... and if you read the documentation, you will find that the IDL
routine FFT will work on an array of any size. It's very easy to
do any needed zero-padding yourself (ie, fft([x, fltarr(nzeros)]) ).

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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[Message index]

		Re: n-point FFT By: tandp on Tue, 21 November 2000 00:00
		Re: n-point FFT By: Paul van Delst on Tue, 21 November 2000 00:00
		Re: n-point FFT By: davidf on Tue, 21 November 2000 00:00
		Re: n-point FFT By: Paul Woodford on Tue, 21 November 2000 00:00
		Re: n-point FFT By: Craig Markwardt on Tue, 21 November 2000 00:00

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