![alt text][1] \documentclass[varwidth, margin=2.5pt]{standalone} \usepackage[ngerman]{babel} \usepackage{pgfplots} \pgfplotsset{compat=1.8} % \pgfplotsset{compat=newest} \begin{document} \begin{tikzpicture} \begin{axis}[ title={Betragsfl\"ache}, outer axis line style={ultra thin, lightgray}, inner axis line style={ultra thin, lightgray}, % hat Effekt? zmax = 19, xmajorgrids, ymajorgrids, zmajorgrids, xlabel={$x$}, ylabel={$y$}, zlabel={$z$}, ztick={0,4,...,19}, xticklabels=\empty, yticklabels=\empty, %zticklabels=\empty, ] \addplot3[mesh, draw=black, domain=-4:4, very thin, ] {x^2}; \end{axis} \end{tikzpicture} \end{document} [1]: http://texwelt.de/wissen/upfiles/55555555_57.png

![alt text][1] \documentclass[varwidth, margin=2.5pt]{standalone} \usepackage[ngerman]{babel} \usepackage{pgfplots} \pgfplotsset{compat=1.8} % \pgfplotsset{compat=newest} \begin{document} \begin{tikzpicture} \begin{axis}[ title={Betragsfl\"ache}, outer axis line style={ultra thin, lightgray}, inner axis line style={ultra thin, lightgray}, % hat Effekt? zmax = 19, xmajorgrids, ymajorgrids, zmajorgrids, xlabel={$x$}, ylabel={$y$}, zlabel={$z$}, ztick={0,4,...,19}, xticklabels=\empty, yticklabels=\empty, %zticklabels=\empty, ] \addplot3[mesh, draw=black, domain=-4:4, very thin, ] {x^2}; \end{axis} \end{tikzpicture} \end{document} [1]: http://texwelt.de/wissen/upfiles/55555555_57.png

![alt text][1] \documentclass[varwidth, margin=2.5pt]{standalone} \usepackage[ngerman]{babel} \usepackage{pgfplots} \pgfplotsset{compat=1.8} % \pgfplotsset{compat=newest} \begin{document} \begin{tikzpicture} \begin{axis}[ title={Betragsfl\"ache}, outer axis line style={ultra thin, lightgray}, inner axis line style={ultra thin, lightgray}, % hat Effekt? zmax = 19, xmajorgrids, ymajorgrids, zmajorgrids, xlabel={$x$}, ylabel={$y$}, zlabel={$z$}, ztick={0,4,...,19}, xticklabels=\empty, yticklabels=\empty, %zticklabels=\empty, ] \addplot3[mesh, draw=black, domain=-4:4, very thin, ] {x^2}; \end{axis} \end{tikzpicture} \end{document} [1]: http://texwelt.de/wissen/upfiles/55555555_57.png

![alt text][1] \documentclass[varwidth, margin=2.5pt]{standalone} \usepackage[ngerman]{babel} \usepackage{pgfplots} \pgfplotsset{compat=1.8} % \pgfplotsset{compat=newest} \begin{document} \begin{tikzpicture} \begin{axis}[ title={Betragsfl\"ache}, outer axis line style={ultra thin, lightgray}, inner axis line style={ultra thin, lightgray}, % hat Effekt? zmax = 19, xmajorgrids, ymajorgrids, zmajorgrids, xlabel={$x$}, ylabel={$y$}, zlabel={$z$}, ztick={0,4,...,19}, xticklabels=\empty, yticklabels=\empty, %zticklabels=\empty, ] \addplot3[mesh, draw=black, domain=-4:4, very thin, ] {x^2}; \end{axis} \end{tikzpicture} \end{document} [1]: http://texwelt.de/wissen/upfiles/55555555_57.png