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-rw-r--r--info/examples/Math/09-09-2.ltx39
1 files changed, 15 insertions, 24 deletions
diff --git a/info/examples/Math/09-09-2.ltx b/info/examples/Math/09-09-2.ltx
index c7259c6966..0710aa0e03 100644
--- a/info/examples/Math/09-09-2.ltx
+++ b/info/examples/Math/09-09-2.ltx
@@ -1,42 +1,33 @@
%%
%% Ein Beispiel der DANTE-Edition
%% Mathematiksatz mit LaTeX
-%% 2. Auflage
-%%
-%% Beispiel 09-09-2 auf Seite 185.
-%%
-%% Copyright (C) 2012 Herbert Voss
+%% 3. Auflage
+%% Beispiel 09-09-2 auf Seite 180.
+%% 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[]{exaarticle}
+\documentclass[10pt]{screxa}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\AtBeginDocument{\setlength\parindent{0pt}}
-\setcounter{equation}{3}
-\renewcommand\theequation{9.\arabic{equation}}
-\StartShownPreambleCommands
-\usepackage{cases}
-\StopShownPreambleCommands
+\def\arraystretch{0.5}
+%StartShownPreambleCommands
+\usepackage{braket,tabularx}
+%StopShownPreambleCommands
\begin{document}
-\begin{subnumcases}{\label{w} w\equiv}
- 0 & $c = d = 0$\label{wzero}\\
- \sqrt{|c|}\,\sqrt{\frac{1 + \sqrt{1+(d/c)^2}}{2}} & $|c| \geq |d|$ \\
- \sqrt{|d|}\,\sqrt{\frac{|c/d| + \sqrt{1+(c/d)^2}}{2}} & $|c| < |d|$
-\end{subnumcases}
-\begin{subnumcases}{\sqrt{c+id}=}
- 0 & $w=0$ (case \ref{wzero}) \\
- w+i\frac{d}{2w} & $w \neq 0$, $c \geq 0$ \\
- \frac{|d|}{2w} + iw \qquad & $w \neq 0$, $c < 0$, $d \geq 0$\\
- \frac{|d|}{2w} - iw \qquad & $w \neq 0$, $c < 0$, $d < 0$
-\end{subnumcases}
+\begin{tabularx}{\linewidth}{@{}XXX@{}}
+\[ \Bra{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
+ & \[ \Ket{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
+ & \[ \Braket{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \] \\[-15pt]
+\[ \Braket{x\in\mathbf{R} | 0<\vert \frac{x}{2}\vert <\frac{5}{3}} \]
+ & \[ \Set{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
+\end{tabularx}
\end{document}