[SciPy-dev] [arpack] eigen_symmetric and the sigma value

Aric Hagberg hagberg@lanl....
Thu Feb 28 08:58:54 CST 2008


On Thu, Feb 28, 2008 at 03:31:42PM +0100, Matthieu Brucher wrote:
> I tried to use it, but I don't get the same result as Matlab or a standard
> eigen analysis.
> I'd like to get the eigenvalues that are strictly greater than zero. Is it
> possible with one of the speigs option ?
> 
> Is it planned to add the sigma keyword to the ARPACK_eigs function ? (that's
> how my problem is solved by Matlab, that's why I'm asking)

We'll add that functionality to the eigen_symmetric() and eigen()
functions.  

Aric


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