1 // 2 // Copyright (c) 2000-2002 3 // Joerg Walter, Mathias Koch 4 // 5 // Distributed under the Boost Software License, Version 1.0. (See 6 // accompanying file LICENSE_1_0.txt or copy at 7 // http://www.boost.org/LICENSE_1_0.txt) 8 // 9 // The authors gratefully acknowledge the support of 10 // GeNeSys mbH & Co. KG in producing this work. 11 // 12 13 #include <boost/numeric/ublas/triangular.hpp> 14 #include <boost/numeric/ublas/io.hpp> 15 main()16int main () { 17 using namespace boost::numeric::ublas; 18 triangular_matrix<double, lower> ml (3, 3); 19 for (unsigned i = 0; i < ml.size1 (); ++ i) 20 for (unsigned j = 0; j <= i; ++ j) 21 ml (i, j) = 3 * i + j; 22 std::cout << ml << std::endl; 23 triangular_matrix<double, upper> mu (3, 3); 24 for (unsigned i = 0; i < mu.size1 (); ++ i) 25 for (unsigned j = i; j < mu.size2 (); ++ j) 26 mu (i, j) = 3 * i + j; 27 std::cout << mu << std::endl; 28 } 29 30