petsc-3.13.6 2020-09-29
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
See Also
SNESGetFunction(), SNESComputeFunction(), SNESSetJacobian()
Level
intermediate
Location
src/snes/interface/snes.c
Examples
src/snes/tutorials/ex18.c.html
src/snes/tutorials/ex48.c.html
src/snes/tutorials/ex58.c.html
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages