%% 
%%  Der Mathematiksatz mit LaTeX, 1. Auflage 2009
%% 
%%  Example 5-4-1 on page 80.
%% 
%%  Copyright (C) 2009 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.
%% 

\documentclass[]{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{194.59192pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage[table]{xcolor}
\StopShownPreambleCommands
\begin{document}
\[
  \underline{A} =
  \left(\begin{array}{c>{\columncolor{magenta}}cc}
  A & B & C\\
\rowcolor{cyan} A & \cellcolor{white} BBB & C\\
  A & B & C
  \end{array}\right)
\]
\end{document}
