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35 lines
828 B
TeX
35 lines
828 B
TeX
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\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usetikzlibrary{arrows,positioning, calc}
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\tikzset{
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%Define standard arrow tip
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->,>=stealth',shorten >=1pt,auto,node distance=3cm, very thick,
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% Define arrow style
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main node/.style={
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circle,
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fill=blue!20,
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draw,
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font=\sffamily\Large\bfseries
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}
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}
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\begin{document}
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\begin{preview}
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\begin{tikzpicture}[,]
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\node[main node] (A) {A};
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\node[main node] (C) [below of=A] {C};
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\node[main node] (B) [right of=A] {B};
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\node[main node] (D) [right of=C] {D};
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\path[every node/.style={font=\sffamily\small}]
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(A) edge node {4} (C)
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edge node {3} (B)
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(C) edge node {-2} (B)
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(B) edge node {1} (D);
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\end{tikzpicture}
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\end{preview}
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\end{document}
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