William Stein wrote:
> On Mon, Jun 15, 2009 at 5:26 PM, paramaniac<luka...@student.ethz.ch> wrote:
>>> Sorry, I don't understand your example.
>>> If
>>> A1 = matrix([[a1,b1],[c1,d1]])
>>> A2 = matrix([[a2,b2],[c2,d2]])
>>> then
>> A1.*A2 = matrix([[a1*a2, b1*b2],[c1*c2, d1*d2]])
>>
> 
> (1) we aren't going to add the .* notation A1 .* A2 to sage, since
> there has to be a *very* very strong
> demand to ever add anything new the preparser.  We haven't added

I think William meant "never add"...



> (2) I would love to add a fast optimized function that does multiply
> component wise.


+1

Jason


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