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changed color; used ultra thick arrows

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Martin Thoma 2012-09-16 19:40:09 +02:00
parent 2a408597cb
commit 2dc005e085
1 changed files with 6 additions and 3 deletions
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9
tikz/vector-triangle-inequality/vector-triangle-inequality.tex
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@ -3,6 +3,9 @@
\usetikzlibrary{shapes, calc, shapes, arrows}
\usepackage{amsmath,amssymb}
\usepackage{xcolor}
\definecolor{xvectorcolor}{HTML}{77933C}
\begin{document}
\begin{tikzpicture}[]
% Punkte
@ -12,9 +15,9 @@
% Draw the triangle
\path[fill=blue!10, fill=blue!10] (A) -- (B) -- (C) -- (A);
\draw[->, very thick,fill=gray!10, green!80, arrows={-latex}] (A) -- (C) node[sloped,midway,above] {$x$};
\draw[->, very thick,fill=gray!10, blue!80, arrows={-latex}] (C) -- (B) node[sloped,midway,above] {$y$};
\draw[->, very thick,fill=gray!10, red!80, arrows={-latex}] (A) -- (B) node[sloped,midway,above] {$z = x + y$};
\draw[->, ultra thick,fill=gray!10, xvectorcolor, arrows={-latex}] (A) -- (C) node[sloped,midway,above] {$x$};
\draw[->, ultra thick,fill=gray!10, blue!80, arrows={-latex}] (C) -- (B) node[sloped,midway,above] {$y$};
\draw[->, ultra thick,fill=gray!10, red!80, arrows={-latex}] (A) -- (B) node[sloped,midway,above] {$z = x + y$};
\coordinate (A) -- (B) node[sloped,midway,below] {$\|z\| = \|x+y\| \leq \|x\| + \|y\|$};