Hello all, What could I use with deal.ii to solve A^T x = b where I have A as a SparseMatrix<double>? I am now using Tsolve (with SolverRichardson<>), but even with preconditioning, it is really slow. I would like to use something like SolverGMRES<> if possible, but I don't see a way to tell it to use A^T instead of just A.
Your help is very much appreciated :) Best, -- Mihai
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