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Re: How to find second minimum elements in an array in IDL? [message #64672 is a reply to message #64671]

Wed, 14 January 2009 07:41

Hu
Messages: 35
Registered: January 2009

Member

On Jan 14, 10:31 am, David Fanning <n...@dfanning.com> wrote:
> Hu writes:
>> Supposing that there is an array X=[9,2,3,5,1,6,8,4,7], how can I find
>> the first and second minimums (in this array are elements 1 and 2) in
>> this vector?
>
>> I use this to find the first minimum (element 1):
>
>> index = where(X eq min(X))
>> minimum_first=X[index]
>
>> But, how can i find the elements 2 ?
>
> Set the first minimum elements to some absurdly large
> value and give it another try. :-)
>
> 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.")

thank you, David ! It works!
I surf your website everyday.

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[Message index]

		Re: How to find second minimum elements in an array in IDL? By: Carsten Lechte on Wed, 14 January 2009 07:45
		Re: How to find second minimum elements in an array in IDL? By: Hu on Wed, 14 January 2009 07:41
		Re: How to find second minimum elements in an array in IDL? By: Brian Larsen on Wed, 14 January 2009 07:41
		Re: How to find second minimum elements in an array in IDL? By: Brian Larsen on Wed, 14 January 2009 07:38
		Re: How to find second minimum elements in an array in IDL? By: David Fanning on Wed, 14 January 2009 07:31

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