petsc-master 2014-12-26
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TaoLineSearchComputeGradient

Computes the gradient of the objective function

Synopsis

#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchComputeGradient(TaoLineSearch ls, Vec x, Vec g)
Collective on TaoLineSearch

Input Parameters

ls - the TaoLineSearch context
x - input vector

Output Parameter

g -gradient vector

Notes: TaoComputeGradient() is typically used within line searches so most users would not generally call this routine themselves.

See Also

TaoLineSearchComputeObjective(), TaoLineSearchComputeObjectiveAndGradient(), TaoLineSearchSetGradient()

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