:orphan:
# MATSOLVERESSL
"essl" - Provides direct solvers, LU, for sequential matrices via the external package ESSL. Works with `MATSEQAIJ` matrices




## See Also
 [](ch_matrices), `Mat`, `PCLU`, `PCFactorSetMatSolverType()`, `MatSolverType`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/aij/seq/essl/essl.c.html#MATSOLVERESSL">src/mat/impls/aij/seq/essl/essl.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/aij/seq/essl/essl.c)


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