:orphan:
# DMRedundantCreate
Creates a `DM` object, used to manage data for dense globally coupled variables
## Synopsis
```
#include "petscdmredundant.h"
PetscErrorCode DMRedundantCreate(MPI_Comm comm, PetscMPIInt rank, PetscInt N, DM *dm)
```
Collective
## Input Parameters
- ***comm -*** the processors that will share the global vector
- ***rank -*** the MPI rank to own the redundant values
- ***N -*** total number of degrees of freedom
## Output Parameter
- ***dm -*** the `DM` object of type `DMREDUNDANT`
## See Also
`DM`, `DMREDUNDANT`, `DMDestroy()`, `DMCreateGlobalVector()`, `DMCreateMatrix()`, `DMCompositeAddDM()`, `DMREDUNDANT`, `DMSetType()`, `DMRedundantSetSize()`, `DMRedundantGetSize()`
## Level
advanced
## Location
src/dm/impls/redundant/dmredundant.c
## Examples
src/snes/tutorials/ex21.c
src/snes/tutorials/ex22.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/redundant/dmredundant.c)
[Index of all DM routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)