int HYPRE_AMSSetBetaPoissonMatrix (HYPRE_Solver solver, HYPRE_ParCSRMatrix A_beta)

(Optional) Sets the matrix corresponding to the Poisson problem with coefficient (the mass term coefficient in the Maxwell problem)

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(Optional) Sets the matrix corresponding to the Poisson problem with coefficient (the mass term coefficient in the Maxwell problem).

If not given, the Poisson matrix will be computed in HYPRE_AMSSetup(). If the given matrix is NULL, we assume that is identically and use two-level (instead of three-level) methods. See the user's manual for more details.

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