LaTeX Forum

\documentclass[a4paper,12pt,notitlepage]{article}
\usepackage{german}
\usepackage[latin1]{inputenc}
\usepackage{amsmath, amsthm, amssymb, relsize}
\usepackage{mathtools}
\usepackage{dsfont}
\usepackage{amsthm}
\usepackage{tikz}
\usepackage{pgf}
\begin{document}\begin{tikzpicture}
\draw[decorate,decoration={coil,aspect=0.9,segment length=2mm,amplitude=1mm}] (5,0) -- (7,0) ;
\draw[decorate,decoration={coil,aspect=0.9,segment length=3mm,amplitude=.7mm}] (5,-1) -- (8,-1) ;
\draw (5,.1) --(5,-.1);
\draw (5,-1.1) --(5,-.9);
\draw (7,.05) -- (7,-.05);
\draw (8,-.95) -- (8,-1.05);
\end{tikzpicture} \end{document}

\documentclass{scrbook}


\usepackage[latin1]{inputenc}
\usepackage[ngerman]{babel}

\usepackage{tikz}
\usetikzlibrary{decorations,arrows}
\usetikzlibrary{decorations.pathmorphing}
\usepgflibrary{decorations.pathreplacing}





\begin{document}



\begin{tikzpicture} 
\def\y{0}
\draw[decorate,decoration={coil,aspect=0.9,segment length=2mm,amplitude=1mm}] (5,\y) -- (7,\y)  ;
\draw[decorate,decoration={brace, mirror}] (5,-\y.4) -- (7,-\y.4) node at (6,-\y.5) [below]{dfkj} ;
\def\y{2}
\draw[decorate,decoration={coil,aspect=0.9,segment length=3mm,amplitude=.7mm}] (5,-\y) -- (8,-\y) ; 
\draw[decorate,decoration={brace, mirror}] (5,-\y.4) -- (8,-\y.4) node at (6.5,-\y.5) [below]{dfkj} ; 
\draw (5,.1) --(5,-.1); 
\draw (5,-1.9) --(5,-2.1); 
\draw (7,.05) -- (7,-.05); 
\draw (8,-1.9) -- (8,-2.1); 
\end{tikzpicture}
\end{document}