26 lines
854 B
TeX
26 lines
854 B
TeX
\begin{tikzpicture}
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% draw axis
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\draw[thick, ->] (-3cm, 0cm) -- (3cm, 0cm) node[anchor=south] {$\Re z$};
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\draw[thick, ->] (0cm, -3cm) -- (0cm, 3cm) node[anchor=east] {$\Im z$};
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% draw closed loops
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\draw[dotted, -latex] (1cm, 0cm) arc (0:360:1cm);
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\draw[dotted, -latex] (2.5cm, 0cm) arc (0:360:2.5cm);
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% draw arrows
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\draw[-latex] (0,0) -- (1.75cm, 1.75cm) node[anchor=south] (z1) {$\abs{z_{(1)}} = e^{\tau_{E\, (1)}}$};
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\draw[-latex] (0,0) -- (0.45cm, -0.9cm) node[anchor=north west] (z0) {$\abs{z_{(0)}} = e^{\tau_{E\, (0)}}$};
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% draw isolated point
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\draw[fill] (-1.5cm, 1.1cm) circle (2pt) node[anchor=south west] (w) {$w$};
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% draw the names of the paths (use $\mathcal{C}$ instead of $\ccC$ if it does not compile)
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\node (c0) at (-0.7cm, -1.2cm) {$\ccC_{(0)}$};
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\node (c0) at (-1.5cm, -2.6cm) {$\ccC_{(1)}$};
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\end{tikzpicture}
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% vim: ft=tex
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