From 45e236bc519b62e8afc1aea7d2e625df4c145348 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <andreas.mueller@ost.ch>
Date: Wed, 22 Jun 2022 11:49:27 +0200
Subject: add ell stuff

---
 buch/chapters/110-elliptisch/images/ellpolnul.tex | 57 +++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 buch/chapters/110-elliptisch/images/ellpolnul.tex

(limited to 'buch/chapters/110-elliptisch/images/ellpolnul.tex')

diff --git a/buch/chapters/110-elliptisch/images/ellpolnul.tex b/buch/chapters/110-elliptisch/images/ellpolnul.tex
new file mode 100644
index 0000000..831b477
--- /dev/null
+++ b/buch/chapters/110-elliptisch/images/ellpolnul.tex
@@ -0,0 +1,57 @@
+%
+% tikztemplate.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}
+\begin{tikzpicture}[>=latex,thick,scale=\skala]
+
+\definecolor{rot}{rgb}{0.8,0,0}
+\definecolor{blau}{rgb}{0,0,1}
+\definecolor{gruen}{rgb}{0,0.6,0}
+
+\draw (-1,-1) rectangle (1,1);
+\node at (-1,-1) [below left] {$0$};
+\node at (1,-1) [below right] {$K$};
+\node at (1,1) [above right] {$K+iK'$};
+\node at (-1,1) [above left] {$iK'$};
+\node at (0,0) {$u$};
+
+\begin{scope}[xshift=4cm]
+\fill[color=rot!20] (-1,-1) rectangle (1,1);
+\node at (-1,-1) {$0$};
+\node at (1,-1) {$1$};
+\node at (1,1) {$\frac1k$};
+\node at (-1,1) {$\infty$};
+\node[color=rot] at (0,0) {$\operatorname{sn}(u,k)$};
+\end{scope}
+
+\begin{scope}[xshift=7cm]
+\fill[color=blau!20] (-1,-1) rectangle (1,1);
+\node at (-1,-1) {$1$};
+\node at (1,-1) {$0$};
+\node at (1,1) {$\frac{ik'}k$};
+\node at (-1,1) {$\infty$};
+\node[color=blau] at (0,0) {$\operatorname{cn}(u,k)$};
+\end{scope}
+
+\begin{scope}[xshift=10cm]
+\fill[color=gruen!20] (-1,-1) rectangle (1,1);
+\node at (-1,-1) {$1$};
+\node at (1,-1) {$k'$};
+\node at (1,1) {$0$};
+\node at (-1,1) {$\infty$};
+\node[color=gruen] at (0,0) {$\operatorname{dn}(u,k)$};
+\end{scope}
+
+\end{tikzpicture}
+\end{document}
+
-- 
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