KSPSetInitialGuessKnoll#
Tells the iterative solver to use PCApply() to compute the initial guess (The Knoll trick)
Synopsis#
#include "petscksp.h"
#include "petscmat.h"
PetscErrorCode KSPSetInitialGuessKnoll(KSP ksp, PetscBool flg)
Logically Collective
Input Parameters#
ksp - iterative context obtained from
KSPCreate()flg -
PETSC_TRUEorPETSC_FALSE
Developer Note#
The Knoll trick is not currently implemented using the KSPGuess class
See Also#
KSP: Linear System Solvers, KSPGetInitialGuessKnoll(), KSPSetInitialGuessNonzero(), KSPGetInitialGuessNonzero(), KSP
Level#
advanced
Location#
src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages