TaoTermComputeGradientSetUseFD

Set whether to use finite differences instead of the user-provided or built-in gradient method in TaoTermComputeGradient().

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoTermComputeGradientSetUseFD(TaoTerm term, PetscBool use_fd)

Logically collective

Input Parameters

• term - a TaoTerm

• use_fd - PETSC_TRUE to use finite differences, PETSC_FALSE to use the user-provided or built-in gradient method

Options Database Keys

• -tao_term_gradient_use_fd - use finite differences for gradient computation

See Also

TaoTerm: composable objective function terms, TaoTerm, TaoTermGetFDDelta(), TaoTermSetFDDelta(), TaoTermComputeGradientFD(), TaoTermComputeGradientGetUseFD(), TaoTermComputeHessianFD(), TaoTermComputeHessianSetUseFD(), TaoTermComputeHessianGetUseFD()

Level

advanced

Location

src/tao/term/interface/taoterm.c

Examples

src/tao/unconstrained/tutorials/rosenbrock1_taoterm.c

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