[petsc-users] Increasing the number of iteration (SLEPC)

[Jose E. Roman]

El 28/04/2014, a las 18:56, Steve Ndengue escribió:

> Dear all,
> 
> How can one increase the number of iterations using either the Krylov, Arnoldi or Lanczos method? 
> I think that more iterations (sometimes) lead to convergence of more eigenvalues? Or is there a way to play with these to get to convergence?
> 
> Sincerely,
>  
> -- 
> Steve 
> 

EPSSetTolerances:
http://www.grycap.upv.es/slepc/documentation/current/docs/manualpages/EPS/EPSSetTolerances.html

You can also play with subspace dimensions:
http://www.grycap.upv.es/slepc/documentation/current/docs/manualpages/EPS/EPSSetDimensions.html

Jose