petsc-3.13.6 2020-09-29
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KSPBCGSLSetUsePseudoinverse

Use pseudoinverse (via SVD) to solve polynomial part of update

Synopsis

#include "petscksp.h" 
PetscErrorCode KSPBCGSLSetUsePseudoinverse(KSP ksp,PetscBool use_pinv)
Logically Collective on ksp

Input Parameters

ksp - iterative context obtained from KSPCreate
use_pinv - set to PETSC_TRUE when using pseudoinverse

Options Database Keys

-ksp_bcgsl_pinv -use pseudoinverse

See Also

KSPBCGSLSetEll(), KSP

Level

intermediate

Location

src/ksp/ksp/impls/bcgsl/bcgsl.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages