The thing is, I'm not interested in 55x55 matrices per se - my matrix
dimensions grow quadratically with some parameter of my system, so I'm
testing things on small sizes before embarking on real computations.
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DMonniaux wrote:
> I'm computing with sparse rational matrices of moderate size (about
> 55x55). Curiously, a lot of time seems to be spent in functions
> constructing matrices, for instance from list of sparse vectors.
>
> 1120.3850.0030.7720.007 constructor.py:33
> (matrix
