Merge branch 'AndreasFMueller:master' into master

1 files changed, 24 insertions, 0 deletions

diff --git a/buch/chapters/110-elliptisch/images/ellcommon.tex b/buch/chapters/110-elliptisch/images/ellcommon.tex
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+++ b/buch/chapters/110-elliptisch/images/ellcommon.tex
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+%
+% ellcommon.tex -- common macros/definitions for elliptic function
+%                  values display
+%
+% (c) 2022 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+%
+\definecolor{rot}{rgb}{0.8,0,0}
+\definecolor{blau}{rgb}{0,0,1}
+\definecolor{gruen}{rgb}{0,0.6,0}
+\def\l{0.2}
+
+\def\pol#1#2{
+	\draw[color=#2!50,line width=3.0pt]
+		($#1+(-\l,-\l)$) -- ($#1+(\l,\l)$);
+	\draw[color=#2!50,line width=3.0pt]
+		($#1+(-\l,\l)$) -- ($#1+(\l,-\l)$);
+}
+\def\nullstelle#1#2{
+	\draw[color=#2!50,line width=3.0pt] #1 circle[radius=\l];
+}
+\def\rechteck#1#2{
+	\fill[color=#1!20] (-1,-1) rectangle (1,1);
+	\node[color=#1] at (0,0) {$#2\mathstrut$};
+}