On second look I see I was wrong. You're completely right, it should be outer 
product. 

On Dec 25, 2011, at 3:51 PM, Sean Owen <[email protected]> wrote:

> The cross product is the vector product, and is not the same thing as
> an outer product. To me it is simply misnamed. That's an outer product
> there. The cross/vector product results in a vector, not a matrix.
> 
> On Sun, Dec 25, 2011 at 5:39 PM, Raphael Cendrillon
> <[email protected]> wrote:
>> I think the cross product is typically used to refer to the outer product, 
>> while the dot product refers to the inner product.
>> 
>> On Dec 25, 2011, at 2:51 PM, Ted Dunning <[email protected]> wrote:
>> 
>>> This is misleading even if not strictly incorrect.  In matrix terminology,
>>> outer product is definitely more commonly used.

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