petsc-3.14.6 2021-03-30
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