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-rw-r--r--info/examples/Math/09-17-6.ltx45
1 files changed, 24 insertions, 21 deletions
diff --git a/info/examples/Math/09-17-6.ltx b/info/examples/Math/09-17-6.ltx
index 374784ff63..636f196825 100644
--- a/info/examples/Math/09-17-6.ltx
+++ b/info/examples/Math/09-17-6.ltx
@@ -1,39 +1,42 @@
%%
%% Ein Beispiel der DANTE-Edition
%% Mathematiksatz mit LaTeX
-%% 2. Auflage
-%%
-%% Beispiel 09-17-6 auf Seite 199.
-%%
-%% Copyright (C) 2012 Herbert Voss
+%% 3. Auflage
+%% Beispiel 09-17-6 auf Seite 190.
+%% 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}}
-\StartShownPreambleCommands
-\usepackage{mathtools}
-\newcommand*\diff{\mathop{}\!\mathrm{d}}
-\StopShownPreambleCommands
+%StartShownPreambleCommands
+\usepackage{gauss} \renewcommand\rowmultlabel[1]{|\,\cdot#1}
+%StopShownPreambleCommands
\begin{document}
-\[ s =
- \begin{dcases}
- \int\limits_a^b\sqrt{1+y\prime^2}\diff x & y=f(x)\\
- \int\limits_{t_1}^{t_2}\sqrt{\dot{x}^2+\dot{y}^2}\diff t & x=f(t); y=f(t) \\
- \int\limits_{\varphi_1}^{\varphi_2}
- \sqrt{\left(\frac{\diff r}{\diff\varphi}\right)^2+r^2}\,\diff\varphi
- & r=f(\varphi)
- \end{dcases}
-\]
+\[\begin{gmatrix}
+ 1 &-2 & 1 & 2 & & 8 \\ 2 & 3 &-2 & 3 & & 14\\ % Zeile 0 u. 1
+ 4 &-1 & 3 &-1 & & 7 \\ 3 & 2 &-4 & 5 & & 5 \\ % 2 u. 3
+ \\
+ 1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 5 u. 6
+ 0 & 7 &-1 &-9 & &-25\\ 0 & 8 &-7 &-1 & &-9 \\ % 7 u. 8
+ \\
+ 1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 10 u. 11
+ 0 & 0 & 3 &-8 & &-23\\ 0 & 0 &-17& 1 & &-47\\ % 12 u. 13
+ \\
+ 1 &-2 & 1 & 2 & & 8 \\ 0 & 7 &-4 &-1 & &-2 \\ % 15 u. 16
+ 0 & 0 & 3 &-8 & &-23\\ 0 & 0 & 0 &-\frac{133}{3}& &\frac{-532}{3} % 17 u. 18
+\rowops
+\mult{0}{(-2)}\add{0}{1}\mult{0}{(-4)}\add{0}{2}\mult{0}{(-3)}\add{0}{3}% 1.Matrix
+\mult{6}{(-1)}\add{6}{7}\mult{6}{(-\frac{8}{7})}\add{6}{8}% 2.Matrix
+\mult{12}{\frac{17}{3}}\add{12}{13} % 3. Matrix
+\end{gmatrix} \]
\end{document}