[Trilinos-Users] Symmetric matrices

Bart Janssens bart.janssens at lid.kviv.be
Wed Nov 7 13:46:50 MST 2012

On Wed, Nov 7, 2012 at 8:53 PM, Heroux, Michael A <maherou at sandia.gov> wrote:
> Do you want Trilinos preconditioners for symmetric operators, or just the
> matrix-vector multiplication?


Yes, I think some preconditioning will be needed. Currently, I use ILU
which converges in about 15 CG iterations for the tests done so far.
Anyway, I'll just use the complete matrices for now, and see if the
memory actually becomes a problem.



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