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Re: Doing a DFT in IDL [message #79773 is a reply to message #79772]

Tue, 03 April 2012 02:21

Helder Marchetto
Messages: 520
Registered: November 2011

Senior Member

On Monday, April 2, 2012 4:19:45 PM UTC+2, Russell wrote:
> On Apr 2, 8:31 am, Helder <hel...@marchetto.de> wrote:
>> Dear all,
>> I've been looking for this around, but couldn't yet find anything.
>> I would like to made a (discrete) Fourier transform by directly typing in the code. The target is not performance, but eventually modifying the source (integrated) function from [f(x)exp(-j2piux/N)] to something different.
>> Has anybody written such a code in IDL that can be modified? Or can anybody give me a working link to such a code?
>>
>> Many thanks and sorry for wasting your time.
>> Cheers, Helder
>
> What do you need to do that fft.pro or convol.pro won't do --- or even
> convolve.pro (with the Astronomy Library)?
>
> -Russell

Hi Russel,
I couldn't find any "fft.pro", but I think that I will go with writing my own procedure if none other is available. I was just surprised that such a demo or tutorial code is not on the web.
Cheers, Helder

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[Message index]

		Re: Doing a DFT in IDL By: Helder Marchetto on Tue, 03 April 2012 02:23
		Re: Doing a DFT in IDL By: Helder Marchetto on Tue, 03 April 2012 02:21
		Re: Doing a DFT in IDL By: Kenneth P. Bowman on Mon, 02 April 2012 14:24
		Re: Doing a DFT in IDL By: Russell[1] on Mon, 02 April 2012 07:19

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