Hi all, I am trying to experiment with a few different solvers with a system matrix of type TrilinosWrappers::BlockSparseMatrix. As far as I can tell, no version of the wrappers for the Trilinos solvers are able to take this as an argument, as TrilinosWrappers::BlockSparseMatrix derives from BlockMatrixBase rather than from TrilinosWrappers::SparseMatrix. Am I understanding this correctly? In order to use the Trilinos solvers, do I need to copy this into a TrilinosWrappers::SparseMatrix object? Thanks a lot, Ian Rose
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