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

• ls - the TaoLineSearch context

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
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Index of all manual pages