text: //
  //  Copyright (c) 2000-2002
  //  Joerg Walter, Mathias Koch
  //
  //  Distributed under the Boost Software License, Version 1.0. (See
  //  accompanying file LICENSE_1_0.txt or copy at
  //  http://www.boost.org/LICENSE_1_0.txt)
  //
  //  The authors gratefully acknowledge the support of
  //  GeNeSys mbH & Co. KG in producing this work.
  //
  
  #include <boost/numeric/ublas/vector_sparse.hpp>
  #include <boost/numeric/ublas/io.hpp>
  
  int main () {
      using namespace boost::numeric::ublas;
      mapped_vector<double> v (3, 3);
      for (unsigned i = 0; i < v.size (); ++ i)
          v (i) = i;
      std::cout << v << std::endl;
  }
  
  