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Re: Problem with dist function in IDL [message #92533 is a reply to message #55651]

Tue, 05 January 2016 23:02

Ken G
Messages: 14
Registered: September 2006

Junior Member

As an interesting (9 years later) follow-up to this, I noticed that the IDL8.5 Butterworth.pro code uses dist() in the calculation of 1D filters. The code pulls one one row from the 2D dist() result. Totally inefficient. Go ahead and ask for filtering of an 1D array with 100k points and see what happens. :/

Plus they modified the routine significantly but that doesn't appear in the documentation / file header.

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		Problem with dist function in IDL By: ATKT on Sun, 12 August 2007 07:41
		Re: Problem with dist function in IDL By: Michael Galloy on Tue, 28 August 2007 13:10
		Re: Problem with dist function in IDL By: Ken G on Tue, 05 January 2016 23:02

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