[Numpy-discussion] trivial question?

[Neal Becker]

Robert Kern wrote:

> On Wed, Jun 20, 2012 at 3:58 PM, Neal Becker <ndbecker2 at 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()

?