[SciPy-user] generalized eigenvalue problem for sparse matrices
Tue Apr 15 09:24:04 CDT 2008
On Tue, Apr 15, 2008 at 1:48 AM, Abhinav Sarkar
> I tried the eigenvalue problem solver provided for the dense matrices at
> scipy.linalg.eig and it gives the same result as the MATLAB functin eig. Then
> why is scipy.sparse.linalg.eigen.arpack.speigs.ARPACK_gen_eigs giving different
> result? Please help me out.
Have you also tried eigs() in MATLAB? I'm not sure what happens when
you call eig() with a sparse matrix.
As Neilen said, this isn't a good test for ARPACK. Try setting the
'tol' parameter to something smaller.
Nathan Bell email@example.com
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