Dear all, I am trying to use this very cool new MarixFree-technique together with PETSc and distributed triangulations, or in other words, I want to combine step-37 with step-40. But one of the problems is, that PETScWrappers::SolverBase only accept PETScWrappers::MatrixBase as matrix-typ and I see no other way, than to derive the LaplaceOperator (the class that implements the matrix operations) from PETScWrappers::MatrixBase and to implement all the methods needed, but maybe I missed something and someone knows a much easier way ....??
Many thanks, Best, Martin ------------------------------------------------------ Dr. rer. nat. Martin Steigemann Department of Mathematics and Natural Sciences Institute of Analysis and Applied Mathematics University of Kassel Heinrich-Plett-Str. 40 34132 Kassel ------------------------------------------------------
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