2014-02-02 18:42:22 +01:00
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\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{pgfplots}
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\usepackage{tikz}
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\begin{document}
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\begin{tikzpicture}
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\tikzstyle{point}=[circle,thick,draw=black,fill=black,inner sep=0pt,minimum width=4pt,minimum height=4pt]
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\node (a)[point,label=180:$a$] at (0,0) {};
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\node (b)[point,label=0:$b$] at (3, 0) {};
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\draw [rounded corners,->, thick, red] (a) .. controls (0.5,2) .. (2,1) .. controls (2,0.5) .. (a);
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\draw [rounded corners,->, thick, blue] (a) .. controls (1,-1) .. (2,-0.5) .. controls (2.2,-1) .. (b);
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2014-02-08 20:23:06 +01:00
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\node at (1,1.2) [red] {$\gamma$};
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\node at (2.25,-0.6) [blue] {$\delta$};
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2014-02-02 18:42:22 +01:00
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\end{tikzpicture}
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\end{document}
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