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Diffstat (limited to 'buch/chapters/10-vektorenmatrizen/images/gausszahlen.tex')
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diff --git a/buch/chapters/10-vektorenmatrizen/images/gausszahlen.tex b/buch/chapters/10-vektorenmatrizen/images/gausszahlen.tex new file mode 100644 index 0000000..6786f05 --- /dev/null +++ b/buch/chapters/10-vektorenmatrizen/images/gausszahlen.tex @@ -0,0 +1,48 @@ +% +% gausszahlen.tex -- Ganze Gausssche Zahlen +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\documentclass[tikz]{standalone} +\usepackage{amsmath} +\usepackage{times} +\usepackage{txfonts} +\usepackage{pgfplots} +\usepackage{csvsimple} +\usepackage{color} +\usetikzlibrary{arrows,intersections,math} +\begin{document} +\definecolor{darkgreen}{rgb}{0,0.6,0} +\begin{tikzpicture}[>=latex,thick,scale=0.8] +\draw[->] (-8.5,0) -- (8.5,0) coordinate[label={$\Re z$}]; +\draw[->] (0,-4.5) -- (0,4.5) coordinate[label={right:$\Im z$}]; +\foreach \x in {-8,...,8}{ + \foreach \y in {-4,...,4}{ + \fill (\x,\y) circle[radius=0.05]; + } +} + + +\coordinate (O) at (0,0); +\coordinate (A) at (2,2); +\coordinate (B) at (-3,1); +\coordinate (C) at (-8,-4); +\coordinate (D) at (-1,3); +\draw[line width=0.5pt] (A)--(D)--(B); +\draw[->,color=red] (O) -- (A); +\draw[->,color=red] (O) -- (B); +\draw[->,color=blue] (O) -- (C); +\draw[->,color=darkgreen] (O) -- (D); +\fill[color=red] (A) circle[radius=0.08]; +\fill[color=red] (B) circle[radius=0.08]; +\fill[color=blue] (C) circle[radius=0.08]; +\fill[color=darkgreen] (D) circle[radius=0.08]; +\fill[color=black] (O) circle[radius=0.08]; +\node[color=red] at (A) [above right] {$z$}; +\node[color=red] at (B) [above left] {$w$}; +\node[color=darkgreen] at (D) [above] {$z+w$}; +\node[color=blue] at (C) [below right] {$z\cdot w$}; + +\end{tikzpicture} +\end{document} + |