petsc-3.14.5 2021-03-03
Report Typos and Errors

# MatCompositeGetNumberMat

Returns the number of matrices in the composite matrix.

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatCompositeGetNumberMat(Mat mat,PetscInt *nmat)

Not Collective

### Input Parameter

| mat | - the composite matrix

### Output Parameter

| nmat | - number of matrices in the composite matrix

### See Also

MatCreateComposite(), MatCompositeGetMat(), MATCOMPOSITE

### Level

advanced

### Location

src/mat/impls/composite/mcomposite.c

### Examples

src/mat/tutorials/ex9.c.html

### Implementations

MatCompositeGetNumberMat_Composite in src/mat/impls/composite/mcomposite.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages