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Re: Need efficient routine to calculate max of two arrays [message #3427 is a reply to message #3426]

Tue, 24 January 1995 18:45

kommers
Messages: 3
Registered: January 1995

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))

I think the < and > operators implement this functionality efficiently.
For example:

IDL> a = [5,4,3,2,1]
IDL> b = [1,2,3,4,5]
IDL> c = a < b
IDL> print, c
1 2 3 2 1

The < operator does the "min" part, and > does the "max" part.
For more info, see under "operators" in the User's Guide.

Cheers,

Jeff

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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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