petsc-3.12.4 2020-02-04
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# TaoBRGNSetRegularizerObjectiveAndGradientRoutine

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

### Synopsis

    #include "petsctao.h"
    PetscErrorCode TaoBRGNSetRegularizerObjectiveAndGradientRoutine(Tao tao,PetscErrorCode (*func)(Tao,Vec,PetscReal *,Vec,void*),void *ctx)

### Input Parameters

+ tao - the Tao context . func - function pointer for the regularizer value and gradient evaluation - ctx - user context for the regularizer

### Level

advanced

### Location

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

### Examples

src/tao/leastsquares/examples/tutorials/tomography.c.html
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages