1 Matrix4i A; 2 A << 1, 2, 3, 4, 3 5, 6, 7, 8, 4 9, 10, 11, 12, 5 13, 14, 15, 16; 6 7 std::cout << Matrix2i::Map(&A(1,1),Stride<8,2>()) << std::endl; 8