# PetscMatlabEngineGet
Gets a variable from MATLAB into a PETSc object. 
## Synopsis
```
#include "petscmatlab.h"  
PetscErrorCode PetscMatlabEngineGet(PetscMatlabEngine mengine, PetscObject obj)
```
Collective


## Input Parameters

- ***mengine -*** the MATLAB engine
- ***object -*** the PETSc object, for example a `Vec`





## Note
`Mat`s transferred between PETSc and MATLAB and vis versa are transposed in the other space
(this is because MATLAB uses compressed column format and PETSc uses compressed row format)


## See Also
 `PetscMatlabEngineDestroy()`, `PetscMatlabEnginePut()`, `PetscMatlabEngineCreate()`,
`PetscMatlabEngineEvaluate()`, `PetscMatlabEngineGetOutput()`, `PetscMatlabEnginePrintOutput()`,
`PETSC_MATLAB_ENGINE_()`, `PetscMatlabEnginePutArray()`, `PetscMatlabEngineGetArray()`, `PetscMatlabEngine`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/matlabengine/matlab.c.html#PetscMatlabEngineGet">src/sys/classes/matlabengine/matlab.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/tutorials/ex31.c.html">src/vec/vec/tutorials/ex31.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex5.c.html">src/snes/tutorials/ex5.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex55.c.html">src/snes/tutorials/ex55.c.html</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/matlabengine/matlab.c)


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