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# DMNetworkEdgeSetMatrix
Sets user-provided Jacobian matrices for this edge to the network 
## Synopsis
```
#include "petscdmnetwork.h"  
PetscErrorCode DMNetworkEdgeSetMatrix(DM dm, PetscInt p, Mat J[])
```
Not Collective


## Input Parameters

- ***dm -*** the `DMNETWORK` object
- ***p -*** the edge point
- ***J -*** array (size = 3) of Jacobian submatrices for this edge point:
J[0]: this edge
J[1] and J[2]: connected vertices, obtained by calling `DMNetworkGetConnectedVertices()`





## See Also
 `DM`, `DMNETWORK`, `DMNetworkVertexSetMatrix()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/network/network.c.html#DMNetworkEdgeSetMatrix">src/dm/impls/network/network.c</A>


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


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