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Re: Interesting property of sort [message #53990]

Wed, 16 May 2007 06:40

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

hradilv writes:

> To add the obvious(?) - be careful if you try this with repeated
> values.
>
> test = [5,4,4,1,3,2]
> sortindex = sort(test)
> lookup = sort(sortindex)
> print, lookup[4]
> ; prints "2" [hey what about "1"]...

Yeah, better use BSORT for this. :-)

http://www.dfanning.com/tips/sort.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Interesting property of sort By: David Fanning on Wed, 16 May 2007 06:40
		Re: Interesting property of sort By: Vince Hradil on Wed, 16 May 2007 06:35
		Re: Interesting property of sort By: cmancone on Wed, 16 May 2007 06:44

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