petsc-master 2019-10-19
Report Typos and Errors

PCDeflationSetInitOnly

Do only initialization step. Sets initial guess to the solution on the deflation space but does not apply the deflation preconditioner. The additional preconditioner is still applied.

Synopsis

#include "petscksp.h" 
PetscErrorCode PCDeflationSetInitOnly(PC pc,PetscBool flg)
Logically Collective

Input Parameters

pc - the preconditioner context
flg - default PETSC_FALSE

Options Database Keys

-pc_deflation_init_only <false> -if true computes only the special guess

See Also

PCDEFLATION

Level

intermediate

Location

src/ksp/pc/impls/deflation/deflation.c

Implementations

PCDeflationSetInitOnly_Deflation in src/ksp/pc/impls/deflation/deflation.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages