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Diffstat (limited to 'buch/chapters/70-graphen/images/kreis.tex')
| -rw-r--r-- | buch/chapters/70-graphen/images/kreis.tex | 47 |
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diff --git a/buch/chapters/70-graphen/images/kreis.tex b/buch/chapters/70-graphen/images/kreis.tex new file mode 100644 index 0000000..a926839 --- /dev/null +++ b/buch/chapters/70-graphen/images/kreis.tex @@ -0,0 +1,47 @@ +% +% tikztemplate.tex -- template for standalon tikz images +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\documentclass[tikz]{standalone} +\usepackage{amsmath} +\usepackage{mathtools} +\usepackage{times} +\usepackage{txfonts} +\usepackage{pgfplots} +\usepackage{csvsimple} +\usetikzlibrary{arrows,intersections,math} +\begin{document} +\def\skala{1} +\begin{tikzpicture}[>=latex,thick,scale=\skala] + +\def\r{3} + +\foreach \w in {0,20,...,340}{ + \draw (\w:\r) circle[radius=0.2]; + \draw[->,shorten >= 0.2cm,shorten <= 0.2cm] (\w:\r) -- ({\w+20}:\r); +} + +\foreach \x in {1,...,15}{ + \node at ({20*(\x-1)}:\r) {$\scriptstyle \x$}; +} +\node at (340:\r) {$\scriptstyle n$}; +\node at (320:\r) {$\scriptstyle \dots$}; +\node at (300:\r) {$\scriptstyle \dots$}; + +\begin{scope}[xshift=4cm] +\node at (0,0) [right] {$\displaystyle +L=\begin{pmatrix*}[r] + 2&-1& 0& 0&\dots& 0&-1\\ +-1& 2&-1& 0&\dots& 0& 0\\ + 0&-1& 2&-1&\dots& 0& 0\\ + 0& 0&-1& 2&\dots& 0& 0\\ +\vdots&\vdots&\vdots&\vdots&\ddots&\vdots&\vdots\\ + 0& 0& 0& 0&\dots& 2&-1\\ +-1& 0& 0& 0&\dots&-1& 2 +\end{pmatrix*}$}; +\end{scope} + +\end{tikzpicture} +\end{document} + |