petsc-3.7.7 2017-09-25

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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

Keywords

SNES, SNESQN, type, set, SNESQNType

Level:beginner
Location:src/snes/impls/qn/qn.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages