# TAOOWLQN
orthant-wise limited memory quasi-newton algorithm 
- ***- tao_owlqn_lambda -*** regulariser weight




## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/unconstrained/impls/owlqn/owlqn.c.html#TAOOWLQN">src/tao/unconstrained/impls/owlqn/owlqn.c</A>


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


[Index of all Tao routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
