<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-04-5 on page 40.
%% 
%%  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[]{article}
\pagestyle{empty}
\setlength\textwidth{153.70511pt}
\setlength\parskip{10pt}
\AtBeginDocument{\setbox0\hbox{$ $}}

\usepackage{blkarray}

\begin{document}
\begin{blockarray}{&gt;{\scriptsize}cccc}
\begin{block}{*{4}{&gt;{\scriptsize}c}}
1 &amp; 2 &amp; 3 &amp; 4\\
\end{block} \begin{block}{&gt;{\scriptsize}c(ccc)}
2 &amp; 22 &amp; 32 &amp; 42\\ 3 &amp; 23 &amp; 33  &amp; 43\\
4 &amp; 24 &amp; 34 &amp; 44\\
\end{block}
\end{blockarray}
\end{document}
</pre></body></html>