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