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added new dotproduct image

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Martin Thoma 2014-05-01 15:32:28 +02:00
parent 7f8462dcc5
commit ba1df5dc79
1 changed files with 25 additions and 0 deletions
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tikz/dot-product-3/dot-product-3.4.tex Normal file
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\documentclass{article}
\usepackage{gensymb}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage{tikz}
\usetikzlibrary{arrows,positioning,decorations.pathreplacing,shapes}
\tikzset{
%Define standard arrow tip
>=stealth',
% Define arrow style
pil/.style={
->,
thick}
}
\begin{document}
\begin{preview}
\begin{tikzpicture}
\draw[fill=green!30, label=$a$] (0,0) -- node[above] {$\varphi$} (0.7,0)
arc (0:120:0.7cm);
\draw[pil] (0,0) -- node[near end, above] {$\vec a$} (3cm, 0);
\draw[pil] (0,0) -- node[near end, right] {$\vec b$} (120:2cm);
\end{tikzpicture}
\end{preview}
\end{document}