SNESQNSetScaleType#
Sets the scaling type for the inner inverse Jacobian in SNESQN.
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESQNSetScaleType(SNES snes, SNESQNScaleType stype)
Logically Collective
Input Parameters#
snes - the nonlinear solver context
stype - scale type, see
SNESQNScaleType
Options Database Key#
-snes_qn_scale_type <diagonal,none,scalar,jacobian> - Scaling type
See Also#
SNES: Nonlinear Solvers, SNES, SNESQN, SNESLineSearch, SNESQNScaleType, SNESSetJacobian(), SNESQNType, SNESQNRestartType
Level#
intermediate
Location#
Implementations#
SNESQNSetScaleType_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