[Numpy-discussion] What is an empty matrix ?
John Reid
j.reid@mail.cryst.bbk.ac...
Wed Jul 4 08:21:35 CDT 2007
David Cournapeau wrote:
> Hi,
>
> I was wondering what an empty matrix is, and what it is useful for
> (by empty matrix, I mean something created by numpy.matrix([])) ? Using
> those crash some functions (see for example scipy ticket #381), and I am
> not sure how to fix this bug.
>
> David
Empty input to an algorithm can often be handled naturally by empty
matrices in the implementation. Quite often I find that if I've coded
things right, the boundary empty input case is handled naturally in this
way. I would prefer that no functions crashed when passed empty matrices.
Just my 2 cents,
John.
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