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# MatSolverTypeRegister
Registers a `MatSolverType` that works for a particular matrix type
## Synopsis
```
#include "petscmat.h"
PetscErrorCode MatSolverTypeRegister(MatSolverType package, MatType mtype, MatFactorType ftype, PetscErrorCode (*createfactor)(Mat, MatFactorType, Mat *))
```
## Input Parameters
- ***package -*** name of the package, for example petsc or superlu
- ***mtype -*** the matrix type that works with this package
- ***ftype -*** the type of factorization supported by the package
- ***createfactor -*** routine that will create the factored matrix ready to be used
## See Also
[](ch_matrices), `Mat`, [Matrix Factorization](sec_matfactor), `MatFactorGetSolverType()`, `MatCopy()`, `MatDuplicate()`, `MatGetFactorAvailable()`, `MatGetFactor()`
## Level
developer
## Location
src/mat/interface/matrix.c
## Implementations
MatSolverTypeRegister_SparseElemental in src/mat/impls/aij/mpi/clique/clique.cxx
MatSolverTypeRegister_MUMPS in src/mat/impls/aij/mpi/mumps/mumps.c
MatSolverTypeRegister_Pastix in src/mat/impls/aij/mpi/pastix/pastix.c
MatSolverTypeRegister_STRUMPACK in src/mat/impls/aij/mpi/strumpack/strumpack.c
MatSolverTypeRegister_Essl in src/mat/impls/aij/seq/essl/essl.c
MatSolverTypeRegister_KOKKOS in src/mat/impls/aij/seq/kokkos/aijkok.kokkos.cxx
MatSolverTypeRegister_Lusol in src/mat/impls/aij/seq/lusol/lusol.c
MatSolverTypeRegister_Matlab in src/mat/impls/aij/seq/matlab/aijmatlab.c
MatSolverTypeRegister_CUSPARSE in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu
MatSolverTypeRegister_HIPSPARSE in src/mat/impls/aij/seq/seqhipsparse/aijhipsparse.hip.c
MatSolverTypeRegister_ViennaCL in src/mat/impls/aij/seq/seqviennacl/aijviennacl.cxx
MatSolverTypeRegister_SuperLU in src/mat/impls/aij/seq/superlu/superlu.c
MatSolverTypeRegister_SuiteSparse in src/mat/impls/aij/seq/umfpack/umfpack.c
MatSolverTypeRegister_DENSECUDA in src/mat/impls/dense/seq/cupm/cuda/matseqdensecuda.cu
MatSolverTypeRegister_DENSEHIP in src/mat/impls/dense/seq/cupm/hip/matseqdensehip.hip.c
MatSolverTypeRegister_Elemental in src/mat/impls/elemental/matelem.cxx
MatSolverTypeRegister_ScaLAPACK in src/mat/impls/scalapack/matscalapack.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/interface/matrix.c)
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