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Re: Need efficient routine to calculate max of two arrays [message #3430 is a reply to message #3429]

Tue, 24 January 1995 15:12

dan
Messages: 27
Registered: March 1993

Junior Member

In article <3g3p8i$1o6@cobra.aer.com>, gallery@aer.com (William O. Gallery) writes:
|> Here is the problem:
|>
|> There are two arrays: a and b of equal length, I want to calculate
|> an array c of the same length so that:
|> c(i) = min(a(i),b(i))
|>
|> For efficiency, I want to use vectors and not a do loop.
|>
|> Any suggestions? This would seem to be a common enough problem,
|>
|>
|>
|> --
|> William O. Gallery gallery@aer.com
|> Atmospheric & Environmental Research Voice(617) 349-2284
|> 840 Memorial Drive (617) 547-6207
|> Cambridge, Massachusetts 02139 FAX (617) 661-6479

How about

c = a
c(where(b lt a)) = b(where(b lt a))
--
************************************************************ ***
** Dan Bergmann dbergmann@llnl.gov **
** Global Climate Research fax (510) 422-5844 **
** Lawrence Livermore National Lab human (510) 423-6765 **

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[Message index]

		Re: Need efficient routine to calculate max of two arrays By: mfishler on Wed, 25 January 1995 17:07
		Re: Need efficient routine to calculate max of two arrays By: pa64 on Thu, 26 January 1995 06:25
		Re: Need efficient routine to calculate max of two arrays By: thompson on Wed, 25 January 1995 09:01
		Re: Need efficient routine to calculate max of two arrays By: kucera on Wed, 25 January 1995 09:17
		Re: Need efficient routine to calculate max of two arrays By: karsten on Tue, 24 January 1995 23:55
		Re: Need efficient routine to calculate max of two arrays By: kommers on Tue, 24 January 1995 18:45
		RE: Need efficient routine to calculate max of two arrays By: mallozzi on Tue, 24 January 1995 17:29
		Re: Need efficient routine to calculate max of two arrays By: dan on Tue, 24 January 1995 15:12

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