[SciPy-user] Invert a sparse matrix

Alan G Isaac aisaac@american....
Thu Oct 4 08:34:55 CDT 2007


On Thu, 4 Oct 2007, Robin apparently wrote:
> I will have a very large matrix, that must remain sparse 
> to fit in memory, and I need to use it for some basic 
> operations (matrix-vector multiplication by itself and 
> it's inverse). 

Are you sure you need an inverse?
If you are just solving equation systems,
you usually do not.

Cheers,
Alan Isaac





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