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Re: Array multiplication: implicit loop query [message #26242 is a reply to message #26191]

Mon, 13 August 2001 07:55

david[2]
Messages: 100
Registered: June 2001

Senior Member

JD Smith writes:
>
> function where_not_array,A,B,cnt,IA_IN_B=iA_in_B
>
> Na = n_elements(a)
> Nb = n_elements(b)
> l = lindgen(Na,Nb)
> AA = A(l mod Na)
> BB = B(l / Na)
>
> if keyword_set(iA_in_B) then $
> wh = where(total(AA ne BB,2) eq Nb,cnt) $
> else wh = where(total(AA ne BB,1) eq Na,cnt)
>
> return,wh
> end

It boggles the mind, that's for sure. Even
*without* Histograms. :-(

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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[Message index]

		Array multiplication: implicit loop query By: george on Fri, 10 August 2001 03:56
		Re: Array multiplication: implicit loop query By: bennetsc on Tue, 14 August 2001 23:57
		Re: Array multiplication: implicit loop query By: Richard Younger on Mon, 13 August 2001 13:59
		Re: Array multiplication: implicit loop query By: david[2] on Mon, 13 August 2001 11:52
		Re: Array multiplication: implicit loop query By: Richard Younger on Mon, 13 August 2001 11:37
		Re: Array multiplication: implicit loop query By: david[2] on Mon, 13 August 2001 07:55
		Re: Array multiplication: implicit loop query By: Craig Markwardt on Mon, 13 August 2001 06:58
		Re: Array multiplication: implicit loop query By: Paul van Delst on Mon, 13 August 2001 06:46
		Re: Array Multiplication By: Craig Markwardt on Sun, 25 March 2012 12:58
		Re: Array Multiplication By: lecacheux.alain on Sun, 25 March 2012 08:09

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