petsc-3.14.5 2021-03-03
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# PCHYPRESetBetaPoissonMatrix

Set Poisson matrix

### Synopsis

    #include "petscpc.h"
    PetscErrorCode PCHYPRESetBetaPoissonMatrix(PC pc, Mat A)

Collective on PC

### Input Parameters

| pc | - the preconditioning context
| A | - the matrix

### Notes

A should be obtained by discretizing the Poisson problem with linear finite elements. Following HYPRE convention, the scalar Poisson solver of AMS can be turned off by passing NULL.

### See Also

### Level

intermediate

### Location

src/ksp/pc/impls/hypre/hypre.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages