[Numpy-discussion] trivial question?
Neal Becker
ndbecker2@gmail....
Thu Jun 21 07:15:15 CDT 2012
Robert Kern wrote:
> On Wed, Jun 20, 2012 at 3:58 PM, Neal Becker <ndbecker2@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()
?
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