[Numpy-discussion] Detect subclass of ndarray
Alan G Isaac
Sat Mar 24 14:36:18 CDT 2007
On Sat, 24 Mar 2007, Charles R Harris apparently wrote:
> Yes, that is what I am thinking. Given that there are only the two
> possibilities, row or column, choose the only one that is compatible with
> the multiplying matrix. The result will not always be a column vector, for
> instance, mat([])*ones(3) will be a 1x3 row vector.
Ack! The simple rule `post multiply means its a column vector`
would be horrible enough: A*ones(n)*B becomes utterly obscure.
Now even that simple rule is to be violated??
Down this path lies madness.
Please, just raise an exception.
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