[SciPy-User] Eigenvectors of sparse symmetric matrix
Pauli Virtanen
pav at iki.fi
Mon Oct 25 15:02:38 EDT 2010
Mon, 25 Oct 2010 11:14:16 -0700, Hao Xiong wrote:
[clip]
>> You can try playing with setting the maxiter parameter to allow ARPACK
>> to spend more iterations on the problem.
>
> I tried maxiter=100000 and still got zero vectors. I must be missing
> something.
Can you perhaps write a small routine that generates such a fake matrix,
or save it to a file and put one online. This might help in finding out
why the routine doesn't behave as expected.
--
Pauli Virtanen
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