[petsc-users] Interior eigenvalues with slepc and shell matrix

[Jose E. Roman]

El 07/08/2014, a las 12:48, John Travers escribió:

> Hi Jose,
> 
> Thanks for your fast response. I’m reading through your paper now (though it is a little advanced for me). Some simple trials with the GD solver do not seem to work. Following your paper, I simply tried: -eps_type gd, but get:
> 
> 0]PETSC ERROR: No support for this operation for this object type
> [0]PETSC ERROR: gd only works with precond spectral transformation
> 
> Should I also set other options?
> 
> Thanks,
> John

Add -st_type precond