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Re: Select Equal elements from 2 arrays [message #60956 is a reply to message #60955]

Mon, 23 June 2008 08:37

humanumbrella
Messages: 52
Registered: June 2008

Member

On Jun 23, 11:32 am, maffie <matthias.demuz...@geo.kuleuven.be> wrote:
> Probably the command with the WHERE statement is not working because
> this only looks for the first elements of the shortest array. If the
> equal elements or after that location, they are missed, and a -1 is
> returned, not?
>
> This would be what is happening in my case, so I need something which
> can deal with the different array lengths (of 61 and 368 for
> example)....
>
> Thank you!

the manual says it can be use for different lengths
hmm...

; Now compare two arrays of different lengths:
c = [1,2,3,4,5,5,4,3,2,1]
d = [0,2,4]
PRINT, 'c = ', c
PRINT, 'd = ', d

result=WHERE(c EQ d)
PRINT, 'Subscripts of c that equal d: ', result

good luck,
--Justin

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[Message index]

		Re: Select Equal elements from 2 arrays By: ianpaul.freeley on Mon, 23 June 2008 09:46
		Re: Select Equal elements from 2 arrays By: matthias.demuzere on Mon, 23 June 2008 08:46
		Re: Select Equal elements from 2 arrays By: David Fanning on Mon, 23 June 2008 08:45
		Re: Select Equal elements from 2 arrays By: Ryan. on Mon, 23 June 2008 08:32
		Re: Select Equal elements from 2 arrays By: humanumbrella on Mon, 23 June 2008 08:37
		Re: Select Equal elements from 2 arrays By: matthias.demuzere on Mon, 23 June 2008 08:32
		Re: Select Equal elements from 2 arrays By: humanumbrella on Mon, 23 June 2008 08:30
		Re: Select Equal elements from 2 arrays By: matthias.demuzere on Mon, 23 June 2008 08:28
		Re: Select Equal elements from 2 arrays By: matthias.demuzere on Mon, 23 June 2008 08:27
		Re: Select Equal elements from 2 arrays By: humanumbrella on Mon, 23 June 2008 08:17

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