Some outer() suggestions
Jonathan Rougier
Jonathan Rougier <J.C.Rougier@durham.ac.uk>
Mon, 18 Jan 1999 14:06:49 +0000 (GMT)
Hi Martin,
On Mon, 18 Jan 1999, Martin Maechler wrote:
> - Concerning "kronecker", couldn't we use
>
> %x%
>
> as an .Alias for the kronecker product (instead of "%kr%" which you proposed)
> Does anyone see a reason against it?
That's a good idea!
> - match.fun() [your new proposal]:
>
> Why should it give an error [stop()] instead of return NA or NULL or
> something like that when there's no function match ?
There is no compelling reason: the rather brutal error is because I was
concerned to duplicate the procedure in apply(). Hence I used get()
directly, rather than checking for existence first. But I agree that a
NULL return would be more flexible. I'd be happy to rewrite.
Cheers, Jonathan.
Jonathan Rougier Science Laboratories
Department of Mathematical Sciences South Road
University of Durham Durham DH1 3LE
"[B]egin upon the precept ... that the things we see are to be
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