DMSNESSetObjective#

Sets the objective function minimized by some of the SNES linesearch methods into a DMSNES object, used instead of the 2-norm of the residual

Synopsis#

#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESSetObjective(DM dm, SNESObjectiveFn *obj, void *ctx)

Not Collective

Input Parameters#

dm - DM to be used with SNES
obj - objective evaluation routine; see SNESObjectiveFn for the calling sequence
ctx - [optional] user-defined context for private data for the objective evaluation routine (may be NULL)

See Also#

SNES: Nonlinear Solvers, DMSNES, DMSNESSetContext(), SNESGetObjective(), DMSNESSetFunction(), SNESObjectiveFn

Level#

developer

Location#

src/snes/utils/dmsnes.c

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