petsc-3.14.5 2021-03-03
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# MatCompositeSetType

Indicates if the matrix is defined as the sum of a set of matrices or the product.

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatCompositeSetType(Mat mat,MatCompositeType type)

Logically Collective on Mat

### Input Parameters

| mat | - the composite matrix

### See Also

MatDestroy(), MatMult(), MatCompositeAddMat(), MatCreateComposite(), MatCompositeGetType(), MATCOMPOSITE

### Level

advanced

### Location

src/mat/impls/composite/mcomposite.c

### Examples

src/mat/tutorials/ex9.c.html

### Implementations

MatCompositeSetType_Composite in src/mat/impls/composite/mcomposite.c
Index of all Mat routines
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Index of all manual pages