petsc-3.7.7 2017-09-25
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PCMGSetType

 Determines the form of multigrid to use: multiplicative, additive, full, or the Kaskade algorithm.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGSetType(PC pc,PCMGType form)
Logically Collective on PC

Input Parameters

pc - the preconditioner context
form - multigrid form, one of PC_MG_MULTIPLICATIVE, PC_MG_ADDITIVE, PC_MG_FULL, PC_MG_KASKADE

Options Database Key

-pc_mg_type <form> -Sets <form>, one of multiplicative, additive, full, kaskade

Keywords

MG, set, method, multiplicative, additive, full, Kaskade, multigrid

See Also

PCMGSetLevels()

Level:advanced
Location:src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex42.c.html