Thanks Matt. > > >> 2) Is there a way to reuse the KSP for (1) to efficiently solve (2), >> given the method which answers question 1) ? >> > > Not really, unless you use some type of factorization for the > preconditioner. >
Can you elaborate? I know that KSP can efficiently solve linear systems with the same matrix but different right-hand sides, just by calling KSPSolve successively. Will this be impossible within the nonlinear solver after calculating the nullspace?
