PETSc version 3.17.4
TaoGetGradient
Gets the gradient evaluation routine for minimization
Synopsis
#include "petsctao.h"
PetscErrorCode TaoGetGradient(Tao tao, Vec *g, PetscErrorCode (**func)(Tao, Vec, Vec, void*),void **ctx)
Not collective
Input Parameter
Output Parameters
| g | - the vector to internally hold the gradient computation
|
| func | - the gradient function
|
| ctx | - user-defined context for private data for the gradient evaluation routine
|
Calling sequence of func
func (Tao tao, Vec x, Vec g, void *ctx);
| x | - input vector
|
| g | - gradient value (output)
|
| ctx | - [optional] user-defined function context
|
See Also
TaoSetObjective(), TaoSetHessian(), TaoSetObjectiveAndGradient(), TaoSetGradient()
Level
beginner
Location
src/tao/interface/taosolver_fg.c
Examples
src/tao/unconstrained/tutorials/spectraladjointassimilation.c.html
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages