Dear All,
I'm interested in using the PETSc SNES nonlinear solvers. To do this, I
believe I need to be able to switch between the deal II PETScWrappers and
the PETSc Vec class, since the PETSc solvers are looking for PETSc vectors.
I've looked at the SLEPc eigensolver wrappers and PETSc linear solver
wrappers but I don't understand how the vectors were passed to and from
PETSc and SLEPc. Could you suggest where in the source code to look for an
example, or advise me on how to do this?

Thanks,
Pearl Flath
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