PETSc version 3.17.4
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# TaoADMMSetRegularizerObjectiveAndGradientRoutine

Sets the user-defined regularizer call-back function

### Synopsis

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

Collective on tao

### Input Parameters

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

### See Also

TAOADMM

### Level

advanced

### Location

src/tao/constrained/impls/admm/admm.c

### Examples

src/tao/constrained/tutorials/tomographyADMM.c.html
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