El 05/04/2013, a las 18:43, Sonya Blade escribi?: >> http://www.grycap.upv.es/slepc/documentation/current/docs/manualpages/EPS/EPSSetDimensions.html >> http://www.grycap.upv.es/slepc/documentation/current/docs/manualpages/EPS/EPSSetWhichEigenpairs.html >> >> For these simple questions it is faster to look for the answer in the manual. >> >> Jose > > Sorry for that Jose, > > The last message I received says that: > [0]PETSC ERROR: ! > [0]PETSC ERROR: KSP did not converge (reason=DIVERGED_ITS)! > > What could be the reason of not convergence, due to the fact that B matrix > has > some zero values on its diagonal? Is there any other methods which solves GEP > even if there is zeros on diagonals? > > Regards,
By default SLEPc uses a direct solver, so you would not get this message. Which options are you using for the KSP? Jose
