[SciPy-dev] lobpcg: removed symeig dependence

Nils Wagner nwagner@iam.uni-stuttgart...
Tue Apr 8 14:59:46 CDT 2008


On Tue, 08 Apr 2008 17:58:21 +0200
  Robert Cimrman <cimrman3@ntc.zcu.cz> wrote:
> Hi Nils,
> 
> Nils Wagner wrote:
>> Oops, I forgot to ask for the possibbility of handling 
>> Hermitian matrices within lobpcg
>> 
>> http://projects.scipy.org/scipy/scipy/ticket/452
> 
> Can you write a (failing) test case for this? You could 
>also help by 
> detecting the places in lobpcg.py causing it not to 
>work, if you can.
> 
> cheers,
> r.
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Finally, I found a complex hermitian test matrix.
See

http://www.cise.ufl.edu/research/sparse/matrices/Bai/mhd1280b.html

So I will try to write a test case asap.

and thanks for

http://projects.scipy.org/scipy/scipy/changeset/4116

Now everyone can use lobpcg for testing.


Cheers,
           Nils


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