PETSc version 3.16.6
SNESJacobianFunction
Function used to convey the nonlinear Jacobian of the function to be solved by SNES
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESJacobianFunction(SNES snes,Vec x,Mat Amat,Mat Pmat,void *ctx);
Collective on snes
Input Parameters
| x | - input vector, the Jacobian is to be computed at this value
|
| ctx | - [optional] user-defined Jacobian context
|
Output Parameters
| Amat | - the matrix that defines the (approximate) Jacobian
|
| Pmat | - the matrix to be used in constructing the preconditioner, usually the same as Amat.
|
See Also
SNESSetFunction(), SNESGetFunction(), SNESSetJacobian(), SNESGetJacobian()
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