// // Copyright (c) 2000-2002 // Joerg Walter, Mathias Koch // // Permission to use, copy, modify, distribute and sell this software // and its documentation for any purpose is hereby granted without fee, // provided that the above copyright notice appear in all copies and // that both that copyright notice and this permission notice appear // in supporting documentation. The authors make no representations // about the suitability of this software for any purpose. // It is provided "as is" without express or implied warranty. // // The authors gratefully acknowledge the support of // GeNeSys mbH & Co. KG in producing this work. // #include <boost/numeric/ublas/banded.hpp> #include <boost/numeric/ublas/io.hpp> int main () { using namespace boost::numeric::ublas; banded_matrix<double> m (3, 3, 1, 1); for (signed i = 0; i < signed (m.size1 ()); ++ i) for (signed j = std::max (i - 1, 0); j < std::min (i + 2, signed (m.size2 ())); ++ j) m (i, j) = 3 * i + j; std::cout << m << std::endl; }