petsc-3.7.1 2016-05-15
KSPGetDiagonalScale
Checks if KSP solver scales the matrix and right hand side
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGetDiagonalScale(KSP ksp,PetscBool *scale)
Not Collective Many br
Input Parameter
ksp -the KSP context Many br
Output Parameter
scale -PETSC_TRUE or PETSC_FALSE Many br
Notes
BE CAREFUL with this routine: it actually scales the matrix and right Many brhand side that define the system. After the system is solved the matrix Many brand right hand side remain scaled unless you use KSPSetDiagonalScaleFix() Many br
Many br
Keywords
KSP, set, options, prefix, database
See Also
KSPSetDiagonalScale(), KSPSetDiagonalScaleFix()
Level:intermediate
Location:src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages