# MatCompositeAddMat

add another matrix to a composite matrix

### Synopsis

    #include "petscmat.h"
    PetscErrorCode PETSCMAT_DLLEXPORT MatCompositeAddMat(Mat mat,Mat smat)

Collective on Mat

### Input Parameters

| mat | - the composite matrix
| smat | - the partial matrix

### See Also

MatCreateComposite()

Level:advanced
Location:src/mat/impls/composite/mcomposite.c
Index of all Mat routines
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