# TaoBRGNSetL1SmoothEpsilon
Set the L1-norm smooth approximation parameter for L1-regularized least-squares algorithm 
## Synopsis
```
#include "petsctao.h" 
PetscErrorCode TaoBRGNSetL1SmoothEpsilon(Tao tao, PetscReal epsilon)
```
Collective


## Input Parameters

- ***tao -*** the Tao solver context
- ***epsilon -*** L1-norm smooth approximation parameter




## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/impls/brgn/brgn.c.html#TaoBRGNSetL1SmoothEpsilon">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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