Robert Kern wrote: > On Wed, Jun 20, 2012 at 3:58 PM, Neal Becker <ndbeck...@gmail.com> wrote: >> Maybe I'm being slow, but is there any convenient function to calculate, >> for 2 vectors: >> >> \sum_i \sum_j x_i y_j >> >> (I had a matrix once, but it vanished without a trace) > > np.multiply.outer(x, y).sum() >
I guess that's the same as np.outer (x, y).sum() ? _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
