Xujun Zhao writes:
>
> Hi folks,
>
> I am trying to use the user-defined preconditioner for my Stokes problem.
I
> first add my preconditioning matrix by
> system.add_matrix("Preconditioner");
>
> then assemble this matrix by a subroutine. My question is how I can tell
> libmesh solver to use
Hi folks,
I am trying to use the user-defined preconditioner for my Stokes problem. I
first add my preconditioning matrix by
system.add_matrix("Preconditioner");
then assemble this matrix by a subroutine. My question is how I can tell
libmesh solver to use this preconditioner when the problem is