petsc-3.5.4 2015-05-23
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PCJacobiSetUseRowSum

Causes the Jacobi preconditioner to use the sum of each row as the diagonal preconditioner, instead of the diagonal entry

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCJacobiSetUseRowSum(PC pc)
Logical Collective on PC

Input Parameters

pc -the preconditioner context

Options Database Key

-pc_jacobi_rowsum -

See Also

PCJacobiaUseAbs(), PCJacobiaUseRowSum()

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