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# DMPlexSetScale
Set the scale for the specified fundamental unit 
## Synopsis
```
#include "petscdmplex.h"   
PetscErrorCode DMPlexSetScale(DM dm, PetscUnit unit, PetscReal scale)
```
Not Collective


## Input Parameters

- ***dm   -*** the `DM`
- ***unit -*** The SI unit
- ***scale -*** The value used to scale all quantities with this unit





## See Also
 [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexGetScale()`, `PetscUnit`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/plexfem.c.html#DMPlexSetScale">src/dm/impls/plex/plexfem.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/plexfem.c)


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