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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