[SciPy-user] solve for symetric matrix ?

Joachim Dahl dahl.joachim@gmail....
Thu Apr 26 07:00:45 CDT 2007


On 4/26/07, Nils Wagner <nwagner@iam.uni-stuttgart.de> wrote:
>
> fred wrote:
> > Joachim Dahl a écrit :
> >
> >> If the diagonal is 0, then the matrix is not definite (so, neither is
> >> -A)...
> >>
> > Uh...., so... is there any peculiar method to solve symetric matrices
> > with 0 on the diagonal ?
> >
> > Cheers,
> >
> >
> Fred,
>
> See my previous mail. You are looking for a solver for symmetric
> indefinite systems.
> Should I file a ticket (task/enhancement) for a symmetric indefinite
> solver ?
>
> Nils
>
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A good free LDL' solver is not easy to find,  I think...   If someone knows
of one, please post a pointer.

Joachim
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