petsc-3.10.5 2019-03-28
KSPSetInitialGuessKnoll
Tells the iterative solver to use PCApply(pc,b,..) to compute the initial guess (The Knoll trick)
Synopsis
#include "petscksp.h"
PetscErrorCode KSPSetInitialGuessKnoll(KSP ksp,PetscBool flg)
Logically Collective on KSP
Input Parameters
Developer Note: the Knoll trick is not currently implemented using the KSPGuess class
Keywords
set, initial guess, nonzero
See Also
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