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Re: adding sparse arrays [message #54304 is a reply to message #54303]

Thu, 07 June 2007 00:30

Gaurav
Messages: 50
Registered: January 2007

Member

Yes, since IDL is an array based language, if you use simple summation
procedure to add two arrays (like A + B, where A and B are arrays), it
would be normally faster than running loops for the arrays and then
adding the elements.

Still if you care to find which are the relevent elements in the
sparse array, you could create a mask of those elements using WHERE
command in IDL.

Hope this answers your query.

Cheers!

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[Message index]

		Re: adding sparse arrays By: nivedita.raghunath on Thu, 07 June 2007 11:13
		Re: adding sparse arrays By: nivedita.raghunath on Thu, 07 June 2007 10:50
		Re: adding sparse arrays By: Vince Hradil on Thu, 07 June 2007 08:23
		Re: adding sparse arrays By: nivedita.raghunath on Thu, 07 June 2007 07:32
		Re: adding sparse arrays By: Paolo Grigis on Thu, 07 June 2007 01:36
		Re: adding sparse arrays By: Gaurav on Thu, 07 June 2007 00:30
		Re: adding sparse arrays By: zhang.yuji on Wed, 06 June 2007 21:29
		Re: adding sparse arrays By: Paolo Grigis on Fri, 08 June 2007 00:42

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