%%
%% Ein Beispiel der DANTE-Edition
%% Mathematiksatz mit LaTeX
%% 3. Auflage
%% Beispiel 04-02-3 auf Seite 38.
%% Copyright (C) 2018 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[10pt]{screxa}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
%StartShownPreambleCommands
\usepackage{kbordermatrix}
%StopShownPreambleCommands
\begin{document}
\kbordermatrix{%
&(1\cdot11) &(1\cdot12) &(1\cdot22) &\vrule&(2\cdot11)&(2\cdot12)&(2\cdot22)\\
(1) &\lambda(1)^2&2\lambda(1)\lambda(2)&\lambda(2)^2&\vrule&0&0&0\\
(2) &0 &0 &0 & \vrule&\lambda(1)^2&2\lambda(1)\lambda(2)&\lambda(2)^2\\\hline
(111) &3 & 0 & 0 & \vrule & 0 & 0 & 0\\
(112) &0 & 2 & 0 & \vrule & 1 & 0 & 0\\
(122) &0 & 0 & 1 & \vrule & 0 & 2 & 0\\
(222) &0 & 0 & 0 & \vrule & 0 & 0 & 3}
\end{document}
