TaoGetGradient#
Gets the gradient evaluation routine for the function being optimized
Synopsis#
#include "petsctao.h"
PetscErrorCode TaoGetGradient(Tao tao, Vec *g, PetscErrorCode (**func)(Tao, Vec, Vec, void *), void **ctx)
Not collective
Input Parameter#
tao - the Tao context
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#
x - input vector
g - gradient value (output)
ctx - [optional] user-defined function context
See Also#
Tao
, TaoSetObjective()
, TaoSetHessian()
, TaoSetObjectiveAndGradient()
, TaoSetGradient()
Level#
beginner
Location#
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