On Mon, Feb 10, 2014 at 12:16 PM, Nathaniel Smith <n...@pobox.com> wrote: > On Mon, Feb 10, 2014 at 12:02 PM, Matthieu Brucher > <matthieu.bruc...@gmail.com> wrote: >> Yes, but these will be scipy.sparse matrices, nothing to do with numpy >> (dense) matrices. > > Unfortunately when scipy.sparse matrices interact with dense ndarrays > (e.g., sparse matrix * dense vector), then you always get back > np.matrix objects
>>> csr_matrix([[1, 2], [3, 4]]) * array([5, 6]) array([17, 39]) _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion