612                 return layout_type::index_i (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index1()
617                 return layout_type::index_j (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index2()
648         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::matrix
653             return begin1 ();  in cbegin1()
762                 return layout_type::index_i (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index1()
767                 return layout_type::index_j (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index2()
798         iterator1 begin1 () {  in begin1()  function in boost::numeric::ublas::matrix
1141             return const_reverse_iterator1 (begin1 ());  in rend1()
1154             return reverse_iterator1 (begin1 ());  in rend1()
1695                 return layout_type::index_i (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index1()
1700                 return layout_type::index_j (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index2()
1731         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::fixed_matrix
1736             return begin1 ();  in cbegin1()
1845                 return layout_type::index_i (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index1()
1850                 return layout_type::index_j (it_ - m.begin1 ().it_, m.size1 (), m.size2 ());  in index2()
1881         iterator1 begin1 () {  in begin1()  function in boost::numeric::ublas::fixed_matrix
2224             return const_reverse_iterator1 (begin1 ());  in rend1()
2237             return reverse_iterator1 (begin1 ());  in rend1()
2831         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::vector_of_vector
2836             return begin1 ();  in cbegin1()
2998         iterator1 begin1 () {  in begin1()  function in boost::numeric::ublas::vector_of_vector
3375             return const_reverse_iterator1 (begin1 ());  in rend1()
3388             return reverse_iterator1 (begin1 ());  in rend1()
3692         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::zero_matrix
3697             return begin1 ();  in cbegin1()
3866             return const_reverse_iterator1 (begin1 ());  in rend1()
4189         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::identity_matrix
4194             return begin1 ();  in cbegin1()
4365             return const_reverse_iterator1 (begin1 ());  in rend1()
4711         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::scalar_matrix
4716             return begin1 ();  in cbegin1()
4920             return const_reverse_iterator1 (begin1 ());  in rend1()
5411                 return (it_ - m.begin1 ().it_) / M;  in index1()
5416                 return (it_ - m.begin1 ().it_) % M;  in index2()
5447         const_iterator1 begin1 () const {  in begin1()  function in boost::numeric::ublas::c_matrix
5452             return begin1 ();  in cbegin1()
5562                 return (it_ - m.begin1 ().it_) / M;  in index1()
5567                 return (it_ - m.begin1 ().it_) % M;  in index2()
5598         iterator1 begin1 () {  in begin1()  function in boost::numeric::ublas::c_matrix
5941             return const_reverse_iterator1 (begin1 ());  in rend1()
5954             return reverse_iterator1 (begin1 ());  in rend1()