KSPSetInitialGuessKnoll

 Tells the iterative solver to use PCApply(pc,b,..) to compute the initial guess (The Knoll trick)

Synopsis

#include "petscksp.h" 
int KSPSetInitialGuessKnoll(KSP ksp,PetscTruth flg)
Collective on KSP

Input Parameters

ksp - iterative context obtained from SLESGetKSP() or KSPCreate()
flg - PETSC_TRUE or PETSC_FALSE

Keywords

KSP, set, initial guess, nonzero

See Also

KSPGetInitialGuessKnoll(), KSPSetInitialGuessNonzero(), KSPGetInitialGuessNonzero()

Level:advanced
Location:src/sles/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages