petsc-3.13.6 2020-09-29
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SNESQNSetType

Sets the quasi-Newton variant to be used in SNESQN.

Synopsis

#include "petscsnes.h" 
PetscErrorCode SNESQNSetType(SNES snes, SNESQNType qtype)
Logically Collective on SNES

Input Parameters

snes - the iterative context
qtype - variant type

Options Database

-snes_qn_type <lbfgs,broyden,badbroyden> -

SNESQNTypes

SNES_QN_LBFGS - LBFGS variant
SNES_QN_BROYDEN - Broyden variant
SNES_QN_BADBROYDEN - Bad Broyden variant

Level

beginner

Location

src/snes/impls/qn/qn.c

Implementations

SNESQNSetType_QN in src/snes/impls/qn/qn.c

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