petsc-3.4.4 2014-03-13

PCMGSetX

Sets the vector space to be used to store the solution on a particular level.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGSetX(PC pc,PetscInt l,Vec c)
Logically Collective on PC and Vec

Input Parameters

pc - the multigrid context
l - the level (0 is coarsest) this is to be used for (do not supply the finest level)
c - the space

Notes: If this is not provided PETSc will automatically generate one.

You do not need to keep a reference to this vector if you do not need it PCDestroy() will properly free it.

Keywords

MG, multigrid, set, solution, level

See Also

PCMGSetRhs(), PCMGSetR()

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