# MatMatMultNumeric

Performs the numeric matrix-matrix product. Call this routine after first calling MatMatMultSymbolic().

### Synopsis

    #include "petscmat.h"
    PetscErrorCode PETSCMAT_DLLEXPORT MatMatMultNumeric(Mat A,Mat B,Mat C)

Collective on Mat

### Input Parameters

| A | - the left matrix
| B | - the right matrix

### Output Parameters

C -the product matrix, whose ij structure was defined from MatMatMultSymbolic().

### Notes

C must have been created with MatMatMultSymbolic.

This routine is currently only implemented for SeqAIJ type matrices.

### See Also

MatMatMult(),MatMatMultSymbolic()

Level:intermediate
Location:src/mat/interface/matrix.c
Index of all Mat routines
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Index of all manual pages