PETSc version 3.15.5
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TaoBRGNSetRegularizerHessianRoutine

 Sets the user-defined regularizer call-back function into the algorithm.

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoBRGNSetRegularizerHessianRoutine(Tao tao,Mat Hreg,PetscErrorCode (*func)(Tao,Vec,Mat,void*),void *ctx)

Input Parameters

+ tao - the Tao context . Hreg - user-created matrix for the Hessian of the regularization term . func - function pointer for the regularizer Hessian evaluation - ctx - user context for the regularizer Hessian

Level

advanced

Location

src/tao/leastsquares/impls/brgn/brgn.c

Examples

src/tao/leastsquares/tutorials/tomography.c.html

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