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Diffstat (limited to 'buch/papers/fresnel/images/pfad.tex')
| -rw-r--r-- | buch/papers/fresnel/images/pfad.tex | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/buch/papers/fresnel/images/pfad.tex b/buch/papers/fresnel/images/pfad.tex new file mode 100644 index 0000000..680cd78 --- /dev/null +++ b/buch/papers/fresnel/images/pfad.tex @@ -0,0 +1,37 @@ +% +% pfad.tex -- template for standalon tikz images +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\documentclass[tikz]{standalone} +\usepackage{amsmath} +\usepackage{times} +\usepackage{txfonts} +\usepackage{pgfplots} +\usepackage{csvsimple} +\usetikzlibrary{arrows,intersections,math} +\begin{document} +\def\skala{1} +\definecolor{darkgreen}{rgb}{0,0.6,0} +\begin{tikzpicture}[>=latex,thick,scale=\skala] + +\fill[color=gray!40] (0,0) -- (2,0) arc (0:45:2) -- cycle; +\node at (22.5:1.4) {$\displaystyle\frac{\pi}4$}; + +\draw[->] (-1,0) -- (9,0) coordinate[label={$\operatorname{Re}$}]; +\draw[->] (0,-1) -- (0,6) coordinate[label={left:$\operatorname{Im}$}]; + +\draw[->,color=red,line width=1.4pt] (0,0) -- (7,0); +\draw[->,color=blue,line width=1.4pt] (7,0) arc (0:45:7); +\draw[->,color=darkgreen,line width=1.4pt] (45:7) -- (0,0); + +\node[color=red] at (3.5,0) [below] {$\gamma_1(t) = tR$}; +\node[color=blue] at (25:7) [right] {$\gamma_2(t) = Re^{it}$}; +\node[color=darkgreen] at (45:3.5) [above left] {$\gamma_3(t) = te^{i\pi/4}$}; + +\node at (7,0) [below] {$R$}; +\node at (45:7) [above] {$Re^{i\pi/4}$}; + +\end{tikzpicture} +\end{document} + |