[Numpy-discussion] matrix power (was: matrix multiply)

[Anne Archibald]

On 05/04/2008, Stéfan van der Walt <stefan at sun.ac.za> wrote:

>  Some discussion recently took place around raising a square matrices
>  to integer powers.  See ticket #601:
>
>  http://scipy.org/scipy/numpy/ticket/601
>
>  Anne Archibald wrote a patch which factored 'matrix_multiply' out of
>  defmatrix (the matrix power implemented for the Matrix class).  After
>  some further discussion on irc, and some careful footwork so that
>  everything imports correctly, I checked in
>
>  http://projects.scipy.org/scipy/numpy/changeset/4968
>
>  The matrix_multiply method is exposed as numpy.linalg.matrix_multiply,
>  and is not in the top-level numpy namespace (it's a bit crowded there
>  already).  I'd be glad if you would review the changeset and comment.

Just to be clear, the function is called matrix_power, not matrix_multiply.

Anne