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Re: Array comparison [message #32334 is a reply to message #32330]

Wed, 02 October 2002 12:04

Jeff Guerber
Messages: 41
Registered: July 2000

Member

On Wed, 2 Oct 2002, Mike Chinander wrote:

> How about:
>
> if n_elements(uniq(([a,b])(sort([a,b])))) ne n_elements([a,b]) then print,
> 'arrays have matching values'

Uhh, doesn't that claim a match if one of the arrays contains two (or
more) identical elements, even if the arrays have no elements in common?

IDL> a=[1,2,3,4,5]
IDL> b=[6,6,7]
IDL> if n_elements(uniq(([a,b])(sort([a,b])))) ne n_elements([a,b]) then
print,'match'
match
IDL>

Jeff Guerber

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[Message index]

		Re: Array comparison By: mchinand on Wed, 02 October 2002 13:44
		Re: Array comparison By: Jeff Guerber on Wed, 02 October 2002 12:04
		Re: Array comparison By: Craig Markwardt on Wed, 02 October 2002 08:12
		Re: Array comparison By: R.Bauer on Wed, 02 October 2002 08:09
		Re: Array comparison By: David Fanning on Wed, 02 October 2002 07:53
		Re: Array comparison By: Sean Raffuse on Wed, 02 October 2002 07:34
		Re: Array comparison By: Craig Markwardt on Wed, 02 October 2002 06:19
		Re: Array comparison By: R.Bauer on Wed, 02 October 2002 01:11
		Re: Array comparison By: Craig Markwardt on Tue, 01 October 2002 19:59
		Re: Array comparison By: mchinand on Tue, 01 October 2002 17:07

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