KSPLGMRESSetAugDim#
Set the number of error approximations to include in the approximation space (default is 2) for KSPLGMRES
Synopsis#
#include "petscksp.h" 
PetscErrorCode KSPLGMRESSetAugDim(KSP ksp, PetscInt dim)
Collective
Input Parameters#
- ksp - the - KSPcontext
- dim - the number of vectors to use 
Options Database Key#
- -ksp_lgmres_augment dim - the number of error approximations to include 
Note#
If this is set to zero, then this method is equivalent to KSPGMRES
See Also#
KSP: Linear System Solvers, KSPLGMRES, KSPLGMRESSetConstant()
Level#
intermediate
Location#
Implementations#
KSPLGMRESSetAugDim_LGMRES() in src/ksp/ksp/impls/gmres/lgmres/lgmres.c
Index of all KSP routines
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Index of all manual pages