petsc-3.14.6 2021-03-30
SNESFunction
Functional form used to convey the nonlinear function to be solved by SNES
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESFunction(SNES snes,Vec x,Vec f,void *ctx);
Collective on snes
Input Parameters
| snes | - the SNES context
|
| x | - state at which to evaluate residual
|
| ctx | - optional user-defined function context, passed in with SNESSetFunction()
|
Output Parameter
| f | - vector to put residual (function value)
|
See Also
SNESSetFunction(), SNESGetFunction()
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