[SciPy-User] solving large sparse linear system with Laplacian matrix

Pauli Virtanen pav+sp@iki...
Fri Oct 30 04:56:49 CDT 2009


Fri, 30 Oct 2009 05:28:13 -0400, David Warde-Farley wrote:
[clip]
> I'm not sure they exist in scipy.sparse.linalg, but looking into your
> problem a little further it appears that several options exist in LAPACK
> (but are not wrapped in SciPy, yet). Conveniently, they have built-in
> support for multiple right-hand-sides.
> 
> Solve a general banded system of linear equations:
> 	http://www.netlib.org/lapack/double/dgbsv.f

This is available as scipy.linalg.solve_banded, but I guess the rest of 
the gang is missing. (They'd be great to have *wink wink nudge nugde* :)

-- 
Pauli Virtanen



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