petsc-3.11.1 2019-04-12
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PCSORSetOmega
Sets the SOR relaxation coefficient, omega
(
where omega
=
1.0 by default).
Synopsis
#include "petscpc.h"
PetscErrorCode
PCSORSetOmega
(
PC
pc,
PetscReal
omega)
Logically Collective on
PC
Input Parameters
pc
- the preconditioner context
omega
- relaxation coefficient
(
0 < omega < 2).
Options Database Key
-pc_sor_omega <omega>
-Sets omega
Keywords
PC
, SOR, SSOR, set, relaxation, omega
See Also
PCSORSetSymmetric
(),
PCSORSetIterations
(),
PCEisenstatSetOmega
()
Level
intermediate
Location
src/ksp/pc/impls/sor/sor.c
Implementations
PCSORSetOmega_SOR in src/ksp/pc/impls/sor/sor.c
Index of all PC routines
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Index of all manual pages