From 997e5ae44bcb81c81fbbf0c4fa29269ffe93fc24 Mon Sep 17 00:00:00 2001
From: JODBaer <JODBaer@github.com>
Date: Mon, 19 Jul 2021 16:55:45 +0200
Subject: try to add picture

---
 buch/papers/reedsolomon/images/polynom2.tex | 51 +++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 buch/papers/reedsolomon/images/polynom2.tex

(limited to 'buch/papers/reedsolomon/images')

diff --git a/buch/papers/reedsolomon/images/polynom2.tex b/buch/papers/reedsolomon/images/polynom2.tex
new file mode 100644
index 0000000..be9a65e
--- /dev/null
+++ b/buch/papers/reedsolomon/images/polynom2.tex
@@ -0,0 +1,51 @@
+% polynome2
+%-------------------
+\documentclass[tikz]{standalone}
+\usepackage{amsmath}
+\usepackage{times}
+\usepackage{txfonts}
+\usepackage{pgfplots}
+\usepackage{csvsimple}
+\usetikzlibrary{arrows,intersections,math}
+\newcommand{\teiler}{40}
+\begin{document}
+%	Übertragen von den Zahlen 
+%	\textcolor{blue}{2}, \textcolor{blue}{1}, \textcolor{blue}{5} 
+%	als $ p(x) = \textcolor{blue}{2}x^2 + \textcolor{blue}{1}x + \textcolor{blue}{5} $.\newline
+%	Versende $ (p(1),p(2),...,p(7)) = (\textcolor{green}{8}, 
+%		\textcolor{green}{15}, \textcolor{green}{26},
+%		\textcolor{green}{ 41}, \textcolor{green}{60}, 
+%		\textcolor{green}{83}, \textcolor{green}{110})$
+	
+	
+	\begin{tikzpicture}[>=latex,thick]
+		\draw[color=blue, line width=1.4pt] 
+		plot[domain=0:8, samples=100]
+		({\x},{(2*\x^2+1*\x+5)/\teiler});
+		\draw[->] (-0.2,0) -- (8,0) coordinate[label={$x$}];
+		\draw[->] (0,-0.2) -- (0,150/\teiler) coordinate[label={right:$p(x)$}];
+		\def\punkt#1{
+			\fill[color=green] #1 circle[radius=0.08];
+			\draw #1 circle[radius=0.07];
+		}
+		\punkt{(1,8/\teiler)}
+		%\punkt{(2,15/\teiler)}
+		%\punkt{(3,26/\teiler)}
+		\punkt{(4,41/\teiler)}
+		\punkt{(5,60/\teiler)}
+		\punkt{(6,83/\teiler)}
+		\punkt{(7,110/\teiler)}
+		\draw[color=gray,line width=1pt,dashed] 
+		plot[domain=0.5:7, samples=100]
+		({\x},{(0.1958*\x^2-1.2875*\x+3.0417)});
+		\def\erpunkt#1{
+			\fill[color=red] #1 circle[radius=0.08];
+			\draw #1 circle[radius=0.07];
+		}
+		\erpunkt{(2,50/\teiler)}
+		\erpunkt{(3,0.9414)}
+
+		\draw(0,100/\teiler) -- (-0.1,100/\teiler) coordinate[label={left:$100$}];
+		\draw(1,0) -- (1,-0.1) coordinate[label={below:$1$}];		
+	\end{tikzpicture}
+\end{document}
-- 
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