PETSc version 3.15.5
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# MatCompositeAddMat

Add another matrix to a composite matrix.

### Synopsis

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

Collective on Mat

### Input Parameters

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

### See Also

MatCreateComposite(), MatCompositeGetMat(), MATCOMPOSITE

### Level

advanced

### Location

src/mat/impls/composite/mcomposite.c

### Implementations

MatCompositeAddMat_Composite in src/mat/impls/composite/mcomposite.c
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