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Re: Efficient IDL programming (use outer product) [message #1594 is a reply to message #1593]

Mon, 06 December 1993 14:57

thompson
Messages: 584
Registered: August 1991

Senior Member

chase@aphill.jhuapl.edu (Chris Chase S1A) writes:

> IDL Comments/musing/wishful thinking:

> I would like to see two `APL'-like operators in IDL for dealing with
> vectors and matrices:
> 1) outer products - using a given binary operator.
> 2) reduction - apply a scalar valued function along one dimension of
> an array (works like TOTAL function when using the dimension
> parameter). For example, return the maximum of each row of a
> maxtrix.

It seems to me that item 2 above could be best accomplished by taking the
DIMENSION keyword recently added to TOTAL, and extending it to the MAX and MIN
functions. I, for one, think that would be useful.

Bill Thompson

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[Message index]

		Re: Efficient IDL programming (use outer product) By: ryba on Tue, 07 December 1993 07:11
		Re: Efficient IDL programming (use outer product) By: thompson on Mon, 06 December 1993 14:57

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