Hello,

I wonder whether PETSc has implemented the diagonal scaling preconditioner given by

D = 1 ./ \sqrt{diag(A)}

and how one can access the latter. Thanks in advance.

Hello,

I wonder whether PETSc has implemented the diagonal scaling preconditioner given by

D = 1 ./ \sqrt{diag(A)}

and how one can access the latter. Thanks in advance.