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# MatMPIBAIJSetHashTableFactor
Sets the factor required to compute the size of the matrices hash table 
## Synopsis
```
#include "petscmat.h"  
PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat mat, PetscReal fact)
```

## Input Parameters

- ***mat  -*** the matrix
- ***fact -*** factor



## Options Database Key

- ***-mat_use_hash_table <fact> -*** provide the factor





## See Also
 `Mat`, `MATMPIBAIJ`, `MatSetOption()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/baij/mpi/mpibaij.c.html#MatMPIBAIJSetHashTableFactor">src/mat/impls/baij/mpi/mpibaij.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/baij/mpi/mpibaij.c)


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