2009/3/27 Charles R Harris <charlesr.har...@gmail.com>: > > On Fri, Mar 27, 2009 at 4:43 PM, Robert Kern <robert.k...@gmail.com> wrote: >> >> On Fri, Mar 27, 2009 at 17:38, Bryan Cole <br...@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. > > I think maybe he wants to treat them as stacked matrices.
Oh, right. Sorry. dot(a, b) works when a is (N, 4, 4) and b is just (4, 4). Never mind. -- 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 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion