PETSc version 3.15.5
PCGetCoarseOperators
Gets coarse operator matrices for all levels (except the finest level) 
Synopsis
#include "petscksp.h" 
PetscErrorCode PCGetCoarseOperators(PC pc,PetscInt *num_levels,Mat *coarseOperators[])
Logically Collective on PC
Input Parameters
|  | pc | - the precondition context | 
Output Parameter
|  | num_levels | - the number of levels | 
|  | coarseOperators | - the coarse operator matrices (size of num_levels-1) | 
Keywords
 MG, GAMG, BoomerAMG, get, multigrid, interpolation, level
See Also
 PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale(), PCMGGetInterpolation(), PCGetInterpolations()
Level
advanced
Location
src/ksp/pc/interface/precon.c
Implementations
PCGetCoarseOperators_BoomerAMG in src/ksp/pc/impls/hypre/hypre.c
PCGetCoarseOperators_MG in src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages