gistfile1.txt

 public matrix mul(matrix B) {
	// Return a new matrix which is the matrix product of this
	// with B.
	if((rows()!=B.rows()) || (cols()!=B.cols())) {
        System.out.println("Error, cannot add since the 2 matrices do not have the same dimensions.");
        System.exit(0);
	}
	    matrix M = new matrix(rows(), cols());

	    for(int i = 1; i <= rows(); i++) {
		for(int j = 1; j <= B.cols(); j++) {
        for(int k = 0; k < cols(); k++) {
            M.set(i,j, M.get(i,j) + get(i,k) * B.get(k,j));
        }
		}
	    }

	return M;