petsc-3.12.4 2020-02-04
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# TaoLineSearchGetFullStepObjective

Returns the objective function value at the full step. Useful for some minimization algorithms.

### Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchGetFullStepObjective(TaoLineSearch ls, PetscReal *f_fullstep)

Not Collective

### Input Parameter

ls -the TaoLineSearch context

### Output Parameter

f -the objective value at the full step length

### Level

developer

### Location

src/tao/linesearch/interface/taolinesearch.c
Index of all TaoLineSearch routines
Table of Contents for all manual pages
Index of all manual pages