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Re: Array comparison part 2 [message #32395 is a reply to message #32393]

Fri, 04 October 2002 06:58

tam
Messages: 48
Registered: February 2000

Member

Sean Raffuse wrote:
> Thanks for all the help on my first question. I now have a related
> question.
>
> What is the best (read: fastest) way to do the following:
>
> I have an array of coordinates, A = intarr(2,25)
> and I have another array of a specific location, B = [125,1043]
>
> I would like to determine if location B is one of the coordinates in A. I
> need to know if A[*,?] = 125, 1043
>
> Is it possible to do this without splitting A?
>
> Thanks,
>
> Sean
>
>

Just try

w = where(b[0] eq a[0,*] and b[1] eq a[1,*])

No need for anything complex here.
Or perhaps it's too early in the morning and I'm missing something...

Regards,
Tom McGlynn

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[Message index]

		Re: Array comparison part 2 By: JD Smith on Fri, 04 October 2002 13:04
		Re: Array comparison part 2 By: tam on Fri, 04 October 2002 10:21
		Re: Array comparison part 2 By: Dick Jackson on Fri, 04 October 2002 08:46
		Re: Array comparison part 2 By: James Kuyper on Fri, 04 October 2002 07:20
		Re: Array comparison part 2 By: tam on Fri, 04 October 2002 06:58
		Re: Array comparison part 2 By: chia on Thu, 03 October 2002 17:27
		Re: Array comparison part 2 By: Dick Jackson on Thu, 03 October 2002 09:33

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