1#include <Eigen/Dense>
2#include <iostream>
3
4using namespace Eigen;
5using namespace std;
6
7int main()
8{
9  MatrixXf m(2,2);
10  MatrixXf n(2,2);
11  MatrixXf result(2,2);
12
13  m << 1,2,
14       3,4;
15  n << 5,6,
16       7,8;
17
18  result = (m.array() + 4).matrix() * m;
19  cout << "-- Combination 1: --" << endl << result << endl << endl;
20  result = (m.array() * n.array()).matrix() * m;
21  cout << "-- Combination 2: --" << endl << result << endl << endl;
22}
23