TaoTermSumGetTermHessianMatrices

Get Hessian matrices set with TaoTermSumSetTermHessianMatrices().

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoTermSumGetTermHessianMatrices(TaoTerm term, PetscInt index, Mat *unmapped_H, Mat *unmapped_Hpre, Mat *mapped_H, Mat *mapped_Hpre)

Not collective

Input Parameters

• term - a TaoTerm of type TAOTERMSUM

• index - the index for the term from TaoTermSumSetTerm() or TaoTermSumAddTerm()

Output Parameters

• unmapped_H - (optional) unmapped Hessian matrix

• unmapped_Hpre - (optional) unmapped matrix for constructing the preconditioner for unmapped_H

• mapped_H - (optional) Hessian matrix

• mapped_Hpre - (optional) matrix for constructing the preconditioner for mapped_H

See Also

TaoTerm: composable objective function terms, TaoTerm, TAOTERMSUM, TaoTermComputeHessian(), TaoTermSumSetTermHessianMatrices()

Level

developer

Location

src/tao/term/impls/sum/taotermsum.c

Implementations

TaoTermSumGetTermHessianMatrices_Sum() in src/tao/term/impls/sum/taotermsum.c

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