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From: abalje47@ursa.calvin.edu (Alan Baljeu)
Subject: Re: Surrogate arguments in J 3.0
Message-ID: <abalje47.727733817@ursa>
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Organization: Calvin College
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Date: Fri, 22 Jan 1993 20:16:57 GMT
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Brian Schott writes:

>I have been reading Alexei Skurihin's article "Neural networks in J" from
>the Russian APL92 Conference.  His code does NOT contain the surrogate
>arguments x. and y. presumably because early versions of J accomplished
>this differently: How?

I believe this hasn't changed.  However, it is possible in J to take a function
using x. and y. and transform it so that it no longer contains any x.'s or y.'s
This produces what is known as a pure, or tacit function.  See APL91 for
some articles discussing this.

--
			Alan Baljeu
This signature is.
