LaTeX Forum

\documentclass{scrartcl}
\usepackage{tikz}
\usetikzlibrary{arrows}

\begin{document}

\begin{tikzpicture}[>=triangle 45]
\draw[->,color=black] (-5,0) -- (5,0);
\foreach \x in {-4,-3,-2,-1,1,2,3,4}
\draw[shift={(\x,0)},color=black] (0pt,2pt) -- (0pt,-2pt) node[below] {\footnotesize $\x$};

\draw[->,color=black] (0,-5) -- (0,5);
\foreach \y in {-4,-3,-2,-1,1,2,3,4}
\draw[shift={(0,\y)},color=black] (2pt,0pt) -- (-2pt,0pt) node[left] {\footnotesize $\y$};

\clip(-5,-5) rectangle (5,5);
\draw[smooth,samples=500,domain=-5:5] plot(\x,{\x^2/(1-\x^2)});
\end{tikzpicture}

\end{document}

\documentclass{scrartcl} 
\usepackage{tikz} 
\usetikzlibrary{arrows} 

\begin{document} 

\begin{tikzpicture}[>=triangle 45] 
\draw[->,color=black] (-5,0) -- (5,0); 
\foreach \x in {-4,-3,-2,-1,1,2,3,4} 
\draw[shift={(\x,0)},color=black] (0pt,2pt) -- (0pt,-2pt) node[below] {\footnotesize $\x$}; 

\draw[->,color=black] (0,-5) -- (0,5); 
\foreach \y in {-4,-3,-2,-1,1,2,3,4} 
\draw[shift={(0,\y)},color=black] (2pt,0pt) -- (-2pt,0pt) node[left] {\footnotesize $\y$}; 

\clip(-5,-5) rectangle (5,5); 
%\draw[smooth,samples=500,domain=-5:5, line width=2pt, color=red] plot(\x,{\x^2/(1-\x^2)});
\draw[smooth,samples=500,domain=-5:-1] plot(\x,{\x^2/(1-\x^2)}); 
\draw[smooth,samples=500,domain=-0.95:0.95] plot(\x,{\x^2/(1-\x^2)});
\draw[smooth,samples=500,domain=1.1:5] plot(\x,{\x^2/(1-\x^2)});

\end{tikzpicture} 

\end{document} 

\documentclass{scrartcl}
\usepackage{pst-plot}

\begin{document}

\begin{psgraph}{->}(0,0)(-5,-5)(5,5){8cm}{8cm}
 \psplot[linewidth=1pt,yMaxValue=4.75,algebraic,
    plotpoints=2100]{-5}{5}{x^2/(1-x^2)}
\end{psgraph}

\end{document} 

\documentclass{scrartcl} 

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


\usepackage{pgfplots}





\begin{document} 




\begin{tikzpicture}
\begin{axis}[ width=\textwidth,domain=-5:5, restrict y to domain=-10:10,axis x line=center, axis y line=center,%
xtick={-5,...,5}, ytick={-5,...,5}
]
%\addplot[mark=none]  plot gnuplot[samples=500,id=eins]{x^2/(1-x^2)}; % mit gnuplot
\addplot[mark=none, color=red]  plot[samples=500,smooth]{x^2/(1-x^2)}; % ohne gnuplot
\end{axis}
\end{tikzpicture} 


\end{document}

! Package pgfkeys Error: I do not know the key '/tikz/restrict y to domain' and
 I am going to ignore it. Perhaps you misspelled it.

See the pgfkeys package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.25 \end{axis}

 *File List*
scrartcl.cls    2010/09/17 v3.07 KOMA-Script document class (article)
scrkbase.sty    2010/09/17 v3.07 KOMA-Script package (KOMA-Script-dependent bas
ics and keyval usage)
 scrbase.sty    2010/09/17 v3.07 KOMA-Script package (KOMA-Script-independent b
asics and keyval usage)
  keyval.sty    1999/03/16 v1.13 key=value parser (DPC)
scrlfile.sty    2009/03/25 v3.03 KOMA-Script package (loading files)
tocbasic.sty    2010/09/14 v3.06a KOMA-Script package (handling toc-files)
scrsize11pt.clo    2010/09/17 v3.07 KOMA-Script font size class option (11pt)
typearea.sty    2010/09/17 v3.07 KOMA-Script package (type area)
   babel.sty    2008/07/06 v3.8l The Babel package
ngermanb.ldf    2008/07/06 v2.6n new German support from the babel system
inputenc.sty    2008/03/30 v1.1d Input encoding file
  latin1.def    2008/03/30 v1.1d Input encoding file
pgfplots.sty    2010/07/14 Version 1.4.1 (git show 1.4.1-1-g64c9e95 )
    tikz.sty    2008/02/13 v2.00 (rcs-revision 1.27)
     pgf.sty    2008/01/15 v2.00 (rcs-revision 1.12)
  pgfrcs.sty    2008/02/20 v2.00 (rcs-revision 1.21)
  pgfrcs.code.tex
 pgfcore.sty    2008/01/15 v2.00 (rcs-revision 1.6)
graphicx.sty    1999/02/16 v1.0f Enhanced LaTeX Graphics (DPC,SPQR)
graphics.sty    2009/02/05 v1.0o Standard LaTeX Graphics (DPC,SPQR)
    trig.sty    1999/03/16 v1.09 sin cos tan (DPC)
graphics.cfg    2010/04/23 v1.9 graphics configuration of TeX Live
  pdftex.def    2010/09/14 v0.05b Graphics/color for pdfTeX
  pgfsys.sty    2008/02/07 v2.00 (rcs-revision 1.31)
  pgfsys.code.tex
pgfsyssoftpath.code.tex    2008/01/23  (rcs-revision 1.6)
pgfsysprotocol.code.tex    2006/10/16  (rcs-revision 1.4)
  xcolor.sty    2007/01/21 v2.11 LaTeX color extensions (UK)
   color.cfg    2007/01/18 v1.5 color configuration of teTeX/TeXLive
 pgfcore.code.tex
pgfcomp-version-0-65.sty    2007/07/03 v2.00 (rcs-revision 1.7)
pgfcomp-version-1-18.sty    2007/07/23 v2.00 (rcs-revision 1.1)
  pgffor.sty    2007/11/07 v2.00 (rcs-revision 1.8)
  pgffor.code.tex
    tikz.code.tex
supp-pdf.mkii
pdftexcmds.sty    2010/04/01 v0.9 Utility functions of pdfTeX for LuaTeX (HO)
infwarerr.sty    2010/04/08 v1.3 Providing info/warning/message (HO)
ifluatex.sty    2010/03/01 v1.3 Provides the ifluatex switch (HO)
 ltxcmds.sty    2010/04/26 v1.7 LaTeX kernel commands for general use (HO)
epstopdf-base.sty    2010/02/09 v2.5 Base part for package epstopdf
  grfext.sty    2007/09/30 v1.0 Managing graphics extensions (HO)
kvoptions.sty    2010/02/22 v3.7 Keyval support for LaTeX options (HO)
kvsetkeys.sty    2010/03/01 v1.9 Key value parser (HO)
etexcmds.sty    2010/01/28 v1.3 Prefix for e-TeX command names (HO)
epstopdf-sys.cfg    2010/07/13 v1.3 Configuration of (r)epstopdf for TeX Live
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