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Re: How do you get rid of for-loops with arrays [message #19342]

Wed, 08 March 2000 00:00

John-David T. Smith is currently offline

John-David T. Smith
Messages: 384
Registered: January 2000

Senior Member

Karri Kaksonen wrote:
>
> I have tried to understand how to use the arrays in IDL but
> there is still tons of techniques that I don't know...
>
> Is it possible to do this without for-loops?
>
> a = [[1,2,3],[4,5,6]]
> b = [2,2,3]
>
> for i=0,1 do a[*,i] = a[*,i] * b

a=a*rebin(b,3,2,/samp)

Redimensioning arrays in calculations is so important, it's in the FAQ:
http://www.ivsoftware.com:8000/FAQ/FMPro?-db=idl%5ffaq.fp3&a mp;-format=record%5fdetail.htm&-lay=entry%20layout&- max=2147483647&-recid=36&-findall=

JD

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J.D. Smith |*| WORK: (607) 255-5842
Cornell University Dept. of Astronomy |*| (607) 255-6263
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Ithaca, NY 14853 |*|

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		Re: How do you get rid of for-loops with arrays By: John-David T. Smith on Wed, 08 March 2000 00:00
		Re: How do you get rid of for-loops with arrays By: Andy Loughe on Wed, 08 March 2000 00:00

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