some work on arpack

Keith Goodman kwgoodman at
Sat Oct 21 16:05:42 CDT 2006

On 8/15/06, David Grant <davidgrant at> wrote:

> My idea is (if I have time) to write an eigs-like function in python
> that will only perform a subset of what Matlab's eigs does for. It
> will, for example, compute a certain number of eigenvalues and
> eigenvectors for a real, sparse, symmetric matrix (the case I'm
> interested in)... I hope that this subset-of-matlab's-eigs function
> will not be too hard to write. Then more functionality can be added on
> to later... Does this make sense?

Did you, or anybody else on the list, have any luck making a numpy
version of eigs?

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