[Numpy-discussion] inplace matrix multiplication

Frédéric Bastien nouiz@nouiz....
Tue Jan 13 08:27:37 CST 2009


Thanks, and sorry for the delayed reply.

Fred

On Fri, Jan 9, 2009 at 4:31 PM, Robert Kern <robert.kern@gmail.com> wrote:

> On Fri, Jan 9, 2009 at 08:25, Frédéric Bastien <nouiz@nouiz.org> wrote:
> > Hi,
> >
> > I would like to know how I can make a call to the blas function gemm in
> > numpy. I need a multiply and accumulate for matrix and I don't want to
> > allocate a new matrix each time I do it.
>
> You can't in numpy. With scipy.linalg.fblas.dgemm() and the right
> arguments, you can.
>
> --
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless
> enigma that is made terrible by our own mad attempt to interpret it as
> though it had an underlying truth."
>  -- Umberto Eco
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