[SciPy-Dev] Allow specification of matrix permutation method in scipy.sparse.linalg.eigs()
Pauli Virtanen
pav at iki.fi
Sun Mar 8 12:15:37 EDT 2015
08.03.2015, 06:54, Paul Nation kirjoitti:
> In my case, I am looking to set the ordering used in splu to reduce the
> fill-in in the LU factors. I do not think that this can be accomplished
> using the M matrix. However, using such a feature may be too
> specialized to justify inclusion into SciPy.
I think what you are trying to do is achievable with the combination of
the OPinv & Minv keyword arguments. The eigenvalue solver itself
operates in a matrix-free fashion, and the splu decompositions in it are
a convenience feature.
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