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authorAndreas Müller <andreas.mueller@ost.ch>2021-06-14 07:26:10 +0200
committerGitHub <noreply@github.com>2021-06-14 07:26:10 +0200
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+%
+% gh.tex -- Lokalsierungsfunktionen für Wavelets auf einem Graphen
+%
+% (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}
+\begin{document}
+\def\skala{1}
+\begin{tikzpicture}[>=latex,thick,scale=\skala]
+\definecolor{darkgreen}{rgb}{0,0.6,0}
+
+\def\kurve#1#2{
+ \draw[color=#2,line width=1.4pt]
+ plot[domain=0:6.3,samples=400]
+ ({\x},{7*\x*exp(-(\x/#1)*(\x/#1))/#1});
+}
+
+\begin{scope}
+
+\draw[->] (-0.1,0) -- (6.6,0) coordinate[label={$\lambda$}];
+
+\kurve{1}{red}
+\foreach \k in {0,...,4}{
+ \pgfmathparse{0.30*exp(ln(2)*\k)}
+ \xdef\l{\pgfmathresult}
+ \kurve{\l}{blue}
+}
+
+\node[color=red] at ({0.7*1},3) [above] {$g(\lambda)$};
+\node[color=blue] at ({0.7*0.3*16},3) [above] {$g_i(\lambda)$};
+
+\draw[->] (0,-0.1) -- (0,3.3);
+\end{scope}
+
+\begin{scope}[xshift=7cm]
+
+\draw[->] (-0.1,0) -- (6.6,0) coordinate[label={$\lambda$}];
+
+\draw[color=darkgreen,line width=1.4pt]
+ plot[domain=0:6.3,samples=100]
+ ({\x},{3*exp(-(\x/0.5)*(\x/0.5)});
+
+\draw[->] (0,-0.1) -- (0,3.3) coordinate[label={right:$\color{darkgreen}h(\lambda)$}];
+
+\end{scope}
+
+\end{tikzpicture}
+\end{document}
+