:orphan:
# TaoBRGNSetRegularizerWeight
Set the regularizer weight for the Gauss-Newton least-squares algorithm 
## Synopsis
```
#include "petsctao.h" 
PetscErrorCode TaoBRGNSetRegularizerWeight(Tao tao, PetscReal lambda)
```
Collective


## Input Parameters

- ***tao -*** the `Tao` solver context
- ***lambda -*** L1-norm regularizer weight





## See Also
 `Tao`, `Mat`, `TAOBRGN`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/impls/brgn/brgn.c.html#TaoBRGNSetRegularizerWeight">src/tao/leastsquares/impls/brgn/brgn.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/tao/leastsquares/impls/brgn/brgn.c)


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