petsc-master 2019-09-23
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PCMGSetOperators

Sets operator and preconditioning matrix for lth level

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGSetOperators(PC pc,PetscInt l,Mat Amat,Mat Pmat)
Logically Collective on PC

Input Parameters

pc - the multigrid context
Amat - the operator
pmat - the preconditioning operator
l - the level (0 is the coarsest) to supply

Keywords

multigrid, set, interpolate, level

See Also

PCMGSetRestriction(), PCMGSetInterpolation()

Level

advanced

Location

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