[SciPy-dev] A scalar is no 1 \times 1 matrix ?

Charles R Harris charlesr.harris at gmail.com
Wed Nov 30 23:38:56 CST 2005


Looks right to me.

On 11/30/05, Nils Wagner <nwagner at mecha.uni-stuttgart.de> wrote:
>
> >>> linalg.inv(2)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
>   File "/usr/lib64/python2.4/site-packages/scipy/linalg/basic.py", line
> 183, in inv
>     raise ValueError, 'expected square matrix'
> ValueError: expected square matrix
> >>> linalg.inv(mat(2))
> array([[ 0.5]])
>
> Is this behaviour wanted ?
>
> Nils
>
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