SNESSetMinimizationFunction

Sets the function evaluation routine for unconstrained minimization.

Synopsis

#include "petscsnes.h"  
int SNESSetMinimizationFunction(SNES snes,int (*func)(SNES,Vec,PetscReal*,void*),void *ctx)
Collective on SNES

Input Parameters

snes - the SNES context
func - function evaluation routine
ctx - [optional] user-defined context for private data for the function evaluation routine (may be PETSC_NULL)

Calling sequence of func

    func (SNES snes,Vec x,PetscReal *f,void *ctx);

x - input vector
f - function
ctx - [optional] user-defined function context

Notes

SNESSetMinimizationFunction() is valid for SNES_UNCONSTRAINED_MINIMIZATION methods only. An analogous routine for SNES_NONLINEAR_EQUATIONS methods is SNESSetFunction().

Keywords

SNES, nonlinear, set, minimization, function

See Also

SNESGetMinimizationFunction(), SNESComputeMinimizationFunction(),
SNESSetHessian(), SNESSetGradient()

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