On 1/24/12 9:56 AM, Dox wrote:
Hi Jason,
Thank you for the suggestion. Nonetheless, the first does not work...
I venture to guess that SAGE understand the product (*) as commutative
for vectors... or somehow it is rearranged.
u1.column()*u2.row() gives a 3x3 matrix. u1.row()*u1.column() gives a
1x1 matrix, of course. These work in Sage 4.7.2.
Jason
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