dolfin team mailing list archive

[jhoffman@xxxxxxxxxxx]

Ok. Sounds good!

/Johan

> At the moment it computes all eigenvalues directly, so it's limited to
> small
> systems. I'll add a wrapper function to PETSc which computes a limited
> number of
> eigenvalues (largest/smallest) approximately which can be used for large
> systems.
>
> Garth
>
>
> Quoting jhoffman@xxxxxxxxxxx:
>
>> Good job Garth! It'll become very handy for me too in another setting
>> connected to hydrodynamic stability.
>>
>> /Johan
>>
>> > Great. I'm planning to add a Maxwell/Helmholtz solver once I get the
>> > Nedelec elements into FFC. Then this will be very useful.
>> >
>> > /Anders
>> >
>> > On Thu, Sep 01, 2005 at 01:19:57AM +0200, Garth N. Wells wrote:
>> >> I've added a class EigenvalueSolver and removed the eigenvalue
>> function
>> >> from the
>> >> class GMRES.
>> >>
>> >> To use it,
>> >>
>> >> Vector EigenReal, EigenComplex;
>> >> EigenvalueSolver esolve;
>> >>
>> >> // Return all eigenvalues of the matrix A in the vectors
>> >> // EigenReal (real component) and EigenComplex (complex component)
>> >> esolve.eigen(A, EigenReal, EigenComplex);
>> >>
>> >> Garth
>> >>
>> >>
>> >>
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>> >>
>> >
>> > --
>> > Anders Logg
>> > Research Assistant Professor
>> > Toyota Technological Institute at Chicago
>> > http://www.tti-c.org/logg/
>> >
>> > _______________________________________________
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>> >
>>
>>
>>
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