petsc-3.12.5 2020-03-29

SNESObjectiveFunction

functional form used to convey the objective function to the nonlinear solver

#include <petscsnes.h>
SNESObjectiveFunction(SNES snes,Vec x,PetscReal *obj,void *ctx);

	snes	- the SNES context
	X	- solution
	F	- current function/gradient
	obj	- real to hold the objective value
	ctx	- optional user-defined objective context

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