SNESNGMRESSetSelectType

Sets the selection type for SNESNGMRES. This determines how the candidate solution and combined solution are used to create the next iterate.

Synopsis

#include "petscsnes.h" 
PetscErrorCode SNESNGMRESSetSelectType(SNES snes, SNESNGMRESSelectType stype)

Logically Collective

Input Parameters

• snes - the iterative context

• stype - selection type, see SNESNGMRESSelectType

Options Database Key

• -snes_ngmres_select_type<difference,none,linesearch> - select type

Note

The default line search used is the SNESLINESEARCHL2 line search and it requires two additional function evaluations.

See Also

SNES: Nonlinear Solvers, SNES, SNESNGMRES, SNESNGMRESSelectType, SNES_NGMRES_SELECT_NONE, SNES_NGMRES_SELECT_DIFFERENCE, SNES_NGMRES_SELECT_LINESEARCH, SNESNGMRESSetRestartType()

Level

intermediate

Location

src/snes/impls/ngmres/snesngmres.c

Implementations

SNESNGMRESSetSelectType_NGMRES() in src/snes/impls/ngmres/snesngmres.c

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