petsc-3.8.4 2018-03-24
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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
Index of all PC routines
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Index of all manual pages