petsc-3.6.1 2015-08-06
SNESSetComputeInitialGuess
Sets a routine used to compute an initial guess for the problem
Synopsis
#include "petscsnes.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 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
See Also
SNESGetFunction(), SNESComputeFunction(), SNESSetJacobian()
Level:intermediate
Location:src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/snes/examples/tutorials/ex7.c.html
src/snes/examples/tutorials/ex18.c.html
src/snes/examples/tutorials/ex20.c.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex58.c.html