%% 
%%  An UIT Edition example
%% 
%%  Example 10-03-5 on page 203.
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands

\StopShownPreambleCommands
\begin{document}
\[ Y= \begin{array}{c}
  \left[\begin{array}{rrrr}
    0 & 0 & 1 & 0\\
    1 & 0 & 1 & 0\\
    1 & 1 & 1 & 1
   \end{array}\right]\\[3ex]\hline
   \begin{array}{rrrr}
    2 & 1 & 3 & 1
   \end{array}
   \end{array} \]
\end{document}