%%
%% An UIT Edition example
%%
%% Example 04-08-11 on page 55.
%%
%% 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
\usepackage{setspace}
\newenvironment{Array}[2][1]
{\setstretch{#1}\array{#2}}
{\endarray}
\StopShownPreambleCommands
\begin{document}
\[ \begin{Array}[0.75]{|ccc|}
a &=& b\\ 1 &=& y\\ X &=& z
\end{Array} \]
Text $\begin{Array}[2]{|ccc|}
a &=& b\\ 1 &=& y\\ X &=& z
\end{Array}$ Text
\end{document}
