TaoLineSearchGetSolution#

Returns the solution to the line search

Synopsis#

#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchGetSolution(TaoLineSearch ls, Vec x, PetscReal *f, Vec g, PetscReal *steplength, TaoLineSearchConvergedReason *reason)

Collective

Input Parameter#

Output Parameters#

  • x - the new solution

  • f - the objective function value at x

  • g - the gradient at x

  • steplength - the multiple of the step direction taken by the line search

  • reason - the reason why the line search terminated

See Also#

TaoLineSearchGetStartingVector(), TaoLineSearchGetStepDirection()

Level#

developer

Location#

src/tao/linesearch/interface/taolinesearch.c

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Index of all TaoLineSearch routines
Table of Contents for all manual pages
Index of all manual pages