OK, I will try to discuss this with Onno on Thursday once he has finished being Examiner In Chief. cheers --cjc On 10 October 2016 at 18:29, Mitchell, Lawrence < lawrence.mitchell@imperial.ac.uk> wrote:
On 10 Oct 2016, at 18:19, Colin Cotter <colin.cotter@imperial.ac.uk> wrote:
OK, this is the problem then - you need to find an appropriate preconditioner.
You need to start by finding an appropriate preconditioner for the system without the R space part.
Lawrence: once that is done, is there anything special to do to incorporate it into the system with the R space part [asking because you seem to have thought about this previously], or do we just recommend block preconditioning in this case?
I think you could use block first. It's easier. Otherwise I think the firedrake webpages sketch how to do sherman-morrison.
Lawrence _______________________________________________ firedrake mailing list firedrake@imperial.ac.uk https://mailman.ic.ac.uk/mailman/listinfo/firedrake
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