[SciPy-user] Invert of a sparse matrix

Nils Wagner nwagner at iam.uni-stuttgart.de
Thu Oct 19 09:58:53 CDT 2006


Sam frizou wrote:
> Hi,
>
> Is there a trick for computing the invert of a square SPARSE matrix ?
>
> Thanks
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>   
You can solve n equations where the i-th rhs is a unit-vector e_i in the
corresponding direction.
But why do you need the inverse of a sparse matrix ?

Nils



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