From efa82f7edc7345c29c2d44674d8c8d8ad8741548 Mon Sep 17 00:00:00 2001
From: Nicolas Tobler <nicolas.tobler@ost.ch>
Date: Sat, 13 Aug 2022 19:32:21 +0200
Subject: corrections

---
 buch/papers/ellfilter/tikz/arccos2.tikz.tex | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'buch/papers/ellfilter/tikz/arccos2.tikz.tex')

diff --git a/buch/papers/ellfilter/tikz/arccos2.tikz.tex b/buch/papers/ellfilter/tikz/arccos2.tikz.tex
index c3f11bb..2cec75f 100644
--- a/buch/papers/ellfilter/tikz/arccos2.tikz.tex
+++ b/buch/papers/ellfilter/tikz/arccos2.tikz.tex
@@ -54,6 +54,23 @@
     \end{scope}
 
     \node[zero] at (6.5,2) (n) {};
-    \node[anchor=west] at (n.east) {Zero};
+    \node[anchor=west] at (n.east) {Nullstelle};
+
+    \begin{scope}[xshift=2.75cm, yshift=-2cm]
+
+        \draw[gray, ->] (-5,0) -- (5,0) node[anchor=west]{$w$};
+
+        \draw[ultra thick, ->, blue]      (-4, 0) -- (-2, 0);
+        \draw[ultra thick, ->, cyan]       (-2, 0) -- (0, 0);
+        \draw[ultra thick, ->, darkgreen]    (0, 0) -- (2, 0);
+        \draw[ultra thick, ->, orange] (2, 0) -- (4, 0);
+
+        \node[anchor=south] at (-4,0) {$-\infty$};
+        \node[anchor=south] at (-2,0) {$-1$};
+        \node[anchor=south] at (0,0) {$0$};
+        \node[anchor=south] at (2,0) {$1$};
+        \node[anchor=south] at (4,0) {$\infty$};
+
+    \end{scope}
 
 \end{tikzpicture}
\ No newline at end of file
-- 
cgit v1.2.1

