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diff --git a/buch/papers/laguerre/images/gammaplot.tex b/buch/papers/laguerre/images/gammaplot.tex
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+%
+% gammaplot.tex -- template for standalon tikz images
+%
+% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+%
+\documentclass[tikz]{standalone}
+\usepackage{amsmath}
+\usepackage{times}
+\usepackage{txfonts}
+\usepackage{pgfplots}
+\usepackage{csvsimple}
+\usetikzlibrary{arrows,intersections,math}
+\input{gammapaths.tex}
+\begin{document}
+\def\skala{1}
+\begin{tikzpicture}[>=latex,thick,scale=\skala]
+
+\definecolor{mainColor}{HTML}{D72864} % OST pink
+
+\draw[->] (-6.1,0) -- (5.3,0) coordinate[label={$z$}];
+\draw[->] (0,-5.1) -- (0,6.4) coordinate[label={right:$\Gamma(z)$}];
+
+\foreach \x in {-1,-2,-3,-4,-5,-6}{
+	\draw (\x,-0.1) -- (\x,0.1);
+	\draw[line width=0.1pt] (\x,-5) -- (\x,6.2);
+}
+\foreach \x in {1,2,3,4,5}{
+	\draw (\x,-0.1) -- (\x,0.1);
+	\node at (\x,0) [below] {$\x$};
+}
+\foreach \y in {-5,-4,-3,-2,-1,1,2,3,4,5,6}{
+	\draw (-0.1,\y) -- (0.1,\y);
+}
+\foreach \y in {1,2,3,4,5,6}{
+	\node at (0,\y) [left] {$\y$};
+}
+\foreach \y in {-1,-2,-3,-4,-5}{
+	\node at (0,\y) [right] {$\y$};
+}
+\foreach \x in {-1,-3,-5}{
+	\node at (\x,0) [below left] {$\x$};
+}
+\foreach \x in {-2,-4,-6}{
+	\node at (\x,0) [above left] {$\x$};
+}
+
+\def\dx{1}
+\def\dy{1}
+
+\begin{scope}
+\clip (-6.1,-5) rectangle (4.3,6.2);
+
+% \draw[color=darkgreen,line width=1.4pt] \gammasinplus;
+% \draw[color=darkgreen,line width=1.4pt] \gammasinone;
+% \draw[color=darkgreen,line width=1.4pt] \gammasintwo;
+% \draw[color=darkgreen,line width=1.4pt] \gammasinthree;
+% \draw[color=darkgreen,line width=1.4pt] \gammasinfour;
+% \draw[color=darkgreen,line width=1.4pt] \gammasinfive;
+% \draw[color=darkgreen,line width=1.4pt] \gammasinsix;
+
+\draw[color=mainColor,line width=1.4pt] \gammaplus;
+\draw[color=mainColor,line width=1.4pt] \gammaone;
+\draw[color=mainColor,line width=1.4pt] \gammatwo;
+\draw[color=mainColor,line width=1.4pt] \gammathree;
+\draw[color=mainColor,line width=1.4pt] \gammafour;
+\draw[color=mainColor,line width=1.4pt] \gammafive;
+\draw[color=mainColor,line width=1.4pt] \gammasix;
+
+\end{scope}
+
+\end{tikzpicture}
+\end{document}
+