#include <boost/numeric/ublas/vector.hpp>
#include <boost/numeric/ublas/io.hpp>

int main () {
  using namespace std; // most keywords from std,
  using boost::numeric::ublas::vector; // but vector from boost 
  vector<double> v(3);
  for (unsigned i = 0; i < v.size (); i++)
    v(i) = i; // boost vector element is v(i) 
  cout << v << endl;
  return 0;
}