TaoAppComputeHessian

Compute the Hessian of the objective function using the routine set by TaoApplicationSetGradientRoutine().

Synopsis

#include "tao.h"  
int TaoAppComputeHessian(TAO_APPLICATION taoapp, Vec X, Mat *HH, Mat *HHPre, MatStructure *flag)
Collective on TAO_APPLICATION

Input Parameters

taopp - the TAO_APPLICATION context
X - the variable vector
H - the Hessian matrix
HP - the preconditioner for the Hessian matrix.
flag - flag used in KSPSetOperators()

Output Parameter

H - the Hessian matrix
HP - the preconditioner for the Hessian matrix.
flag - flag used in KSPSetOperators()

Keywords

TAO_APPLICATION, objective

See Also

TaoAppComputeObjectiveAndGradient()

Level:developer
Location:src/petsctao/application/petscapp/tao_app_fg.c
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