Dann geht allerdings das Raster weg was ich nicht möchte.
Hat da jemand was?
\documentclass{article}
\usepackage{tikz}
\usepackage{pgfplots}
\begin{document}
\begin{tikzpicture}
\centering
\begin{axis}[
% xtick=\empty,
% ytick=\empty,
xlabel={y},
ylabel={z},
ymax=1,
xticklabel={\ifdim\tick pt=0pt \else\pgfmathprintnumber{\tick}\fi},
grid=major,
domain=0:5,
samples=1000,
width=\textwidth,
height = 8cm,
axis lines=left,
%heigth=5cm,
legend pos=north west,
]
\addplot[red,line width=1.5pt] {mod(\x,1)<1? mod(\x,1)/5:0};
\addlegendentry{1};
\addplot[blue,line width=1.5pt]{0.2*x};
\addlegendentry{2};
\end{axis}
\end{tikzpicture}
\end{document}
