On Thu, Oct 9, 2008 at 20:22, Matt Funk <mafunk at nmsu.edu> wrote: > i am using PETSC and on top of it also SLEPC to do some matrix analysis. > In Slepc i simply pass it the Petsc matrix to analyze it. > However, is there anyway to analyze the preconditioned matrix at all?
You can certainly write a MatShell which applies B = P^-1 A and hand this to SLEPc with no preconditioner. This seems like a common thing so maybe SLEPc has an option to use the preconditioned operator. Jed
