1 #include <Eigen/Dense> 2 #include <iostream> 3 4 using namespace std; 5 6 int main() 7 { 8 Eigen::ArrayXf v(6); 9 v << 1, 2, 3, 4, 5, 6; 10 cout << "v.head(3) =" << endl << v.head(3) << endl << endl; 11 cout << "v.tail<3>() = " << endl << v.tail<3>() << endl << endl; 12 v.segment(1,4) *= 2; 13 cout << "after 'v.segment(1,4) *= 2', v =" << endl << v << endl; 14 } 15
