[Numpy-discussion] array of matrices
Robert Kern
robert.kern@gmail....
Fri Mar 27 17:43:25 CDT 2009
On Fri, Mar 27, 2009 at 17:38, Bryan Cole <bryan@cole.uklinux.net> wrote:
> I have a number of arrays of shape (N,4,4). I need to perform a
> vectorised matrix-multiplication between pairs of them I.e.
> matrix-multiplication rules for the last two dimensions, usual
> element-wise rule for the 1st dimension (of length N).
>
> (How) is this possible with numpy?
dot(a,b) was specifically designed for this use case.
--
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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