<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  Ein Beispiel der DANTE-Edition
%%  Mathematiksatz mit LaTeX
%%  3. Auflage
%%  Beispiel 04-10-2 auf Seite 62.
%%  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.
%% 
%% ==== 
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\documentclass[10pt]{screxa}
\pagestyle{empty}
\setlength\textwidth{170.40707pt}
\AtBeginDocument{\setlength\parindent{0pt}}
%StartShownPreambleCommands
\usepackage{graphicx}
%StopShownPreambleCommands
\begin{document}
\[ \Delta = \| a_{ik} \| = \left|
 \begin{array}{ccccc}
   a_{11} &amp; a_{12} &amp; a_{13} &amp; \cdots &amp; a_{1n}\\
   a_{21} &amp; a_{22} &amp; a_{23} &amp; \cdots &amp; a_{2n}\\
   \vdots &amp; \vdots &amp; \vdots &amp; \ddots &amp; \vdots\\
   a_{n1} &amp; a_{n2} &amp; a_{n3} &amp; \cdots &amp; a_{nn}
 \end{array} \right| \]
\end{document}
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