[SciPy-dev] ARPACK wrapper

Aric Hagberg hagberg at lanl.gov
Mon Nov 20 09:07:03 CST 2006


On Mon, Nov 20, 2006 at 03:57:37PM +0100, Nils Wagner wrote:
> 
> Please can you run the following
> I get something like
> 
>  _naupd: Number of update iterations taken
>  -----------------------------------------
>     1 -    1:    61

[snip]

> Traceback (most recent call last):
>   File "eigs1.py", line 11, in ?
>     w1,v1 = arpack.speigs.eigvals(matvec,a.shape[0],nev=nev,ncv=ncv)
>   File
> "/usr/lib64/python2.4/site-packages/scipy/sandbox/arpack/speigs.py",
> line 71, in eigvals
>     if info != 0: raise "Hell" # Indicates some error during the
> Arnouldi iterations
> Hell

Yes, I get the same.  We'll wait for Neilen to reply here since
he wrote that bit.

Aric


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