[petsc-users] Solving problems using multigrid

[Jed Brown]

Fazlul Huq <huq2090 at gmail.com> writes:

> Hello All,
>
> I am a new user of petsc and I am wondering, is it possible to solve both
> linear and non-linear problems using multigrid in petsc?

Yes, for nonlinear problems you can use a Newton method with multigrid
preconditioning (the default and a good place to start) or more exotic
options including full approximation scheme (FAS) nonlinear multigrid.