1*bf2c3715SXin Li int data[] = {1,2,3,4,5,6,7,8,9};
2*bf2c3715SXin Li Map<RowVectorXi> v(data,4);
3*bf2c3715SXin Li cout << "The mapped vector v is: " << v << "\n";
4*bf2c3715SXin Li new (&v) Map<RowVectorXi>(data+4,5);
5*bf2c3715SXin Li cout << "Now v is: " << v << "\n";
6