[petsc-users] help needed for -snes_mf_operator

[Dominik Szczerba]

> You can use -pc_type lu to test for a rank deficient preconditioning matrix.
>
> ? ?Matt

I get:


[0]PETSC ERROR: No support for this operation for this object type!
[0]PETSC ERROR: Matrix format mpiaij does not have a built-in PETSc LU!


Dominik