[petsc-users] Can I reorder the matrix for iterative methods?

[recrusader]

Dear PETSc developers,


In order to reorder the matrix, I just find relevant functions for LU
decomposition in "PC".
My question is whether i can reorder the matrix and then use iterative
method like gmres.
If it works, how to do it? Thank you very much.

Best,
Yujie
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