petsc-3.7.1 2016-05-15
PCSORGetOmega
Gets the SOR relaxation coefficient, omega (where omega = 1.0 by default).
Synopsis
#include "petscpc.h"
PetscErrorCode PCSORGetOmega(PC pc,PetscReal *omega)
Logically Collective on PC Many br
Input Parameter
pc -the preconditioner context Many br
Output Parameter
omega -relaxation coefficient (0 < omega < 2). Many br
Options Database Key
-pc_sor_omega <omega> -Sets omega Many br
Many br
Keywords
PC, SOR, SSOR, set, relaxation, omega
See Also
PCSORSetSymmetric(), PCSORSetIterations(), PCEisenstatSetOmega(), PCSORSetOmega()
Level:intermediate
Location:src/ksp/pc/impls/sor/sor.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages