1 #include <iostream>
2 #include <Eigen/Dense>
3 
4 using namespace Eigen;
5 using namespace std;
6 
main()7 int main()
8 {
9   Matrix3d m = Matrix3d::Random();
10   m = (m + Matrix3d::Constant(1.2)) * 50;
11   cout << "m =" << endl << m << endl;
12   Vector3d v(1,2,3);
13 
14   cout << "m * v =" << endl << m * v << endl;
15 }
16