petsc-3.3-p7 2013-05-11

SNESSetComputeInitialGuess

Sets a routine used to compute an initial guess for the problem

Synopsis

#include "petscsnes.h"  
#include "petscdmshell.h" 
#include "petscsys.h" 
PetscErrorCode  SNESSetComputeInitialGuess(SNES snes,PetscErrorCode (*func)(SNES,Vec,void*),void *ctx)

Logically 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,void *ctx);

f -function vector

ctx -optional user-defined function context

Keywords

SNES, nonlinear, set, function

Examples