latex pb avec courbe de fonction

Question

voici mon programme:
\documentclass[11pt,twocolumn]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[francais]{babel}
\usepackage{amsfonts,amsmath,amssymb}
\usepackage{pst-plot,pst-tree,pstricks,pst-node}
\usepackage{pst-eucl}
\usepackage{pstricks-add}

\begin{document} %Cours
\begin{pspicture}(-2,-2)(4,4)
\psset{algebraic=true}
\psaxes{->}(0,0)(-2,-2)(4,4)
\psplot{-1}{2}{x^2-1}
\end{pspicture}
\end{document}

ça ne marche pas, voici le message d erreur

\documentclass[11pt,twocolumn]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[francais]{babel}
\usepackage{amsfonts,amsmath,amssymb}
\usepackage{pst-plot,pst-tree,pstricks,pst-node}
\usepackage{pst-eucl}
\usepackage{pstricks-add}

\begin{document} %Cours
\begin{pspicture}(-2,-2)(4,4)
\psset{algebraic=true}
\psaxes{->}(0,0)(-2,-2)(4,4)
\psplot{-1}{2}{x^2-1}
\end{pspicture}
\end{document}

qqun peut il m aider? je travaille sous mac avec texworks

gambitro · Answer

désolé, le message d erreur est celui là:

This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013)
restricted \write18 enabled.
entering extended mode
(./exemple.tex
LaTeX2e <2011/06/27>
Babel <3.9f> and hyphenation patterns for 78 languages loaded.
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/size11.clo))
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/fontenc.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/t1enc.def))
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/inputenc.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/utf8.def
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/t1enc.dfu)
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/ot1enc.dfu)
(/usr/local/texlive/2013/texmf-dist/tex/latex/base/omsenc.dfu)))
(/usr/local/texlive/2013/texmf-dist/tex/generic/babel/babel.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/babel-french/frenchb.ldf
(/usr/local/texlive/2013/texmf-dist/tex/generic/babel/babel.def)))
(/usr/local/texlive/2013/texmf-dist/tex/latex/carlisle/scalefnt.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/graphics/keyval.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsfonts/amsfonts.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the '?' option.
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsmath/amstext.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsmath/amsgen.sty))
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsmath/amsbsy.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsmath/amsopn.sty))
(/usr/local/texlive/2013/texmf-dist/tex/latex/amsfonts/amssymb.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-plot/pst-plot.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/pstricks/pstricks.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks/pstricks.tex
(/usr/local/texlive/2013/texmf-dist/tex/generic/xkeyval/pst-xkey.tex
(/usr/local/texlive/2013/texmf-dist/tex/latex/xkeyval/xkeyval.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/xkeyval/xkeyval.tex)))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks/pst-fp.tex
'pst-fp' v0.05, 2010/01/17 (hv))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pgf/utilities/pgfutil-common.te
x)
(/usr/local/texlive/2013/texmf-dist/tex/generic/pgf/utilities/pgfkeys.code.tex
(/usr/local/texlive/2013/texmf-dist/tex/generic/pgf/utilities/pgfkeysfiltered.c
ode.tex))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pgf/utilities/pgffor.code.tex)
'PSTricks' v2.43 <2013/05/12> (tvz)
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks/pstricks.con))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks/pst-fp.tex)
(/usr/local/texlive/2013/texmf-dist/tex/latex/xcolor/xcolor.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/latexconfig/color.cfg)
(/usr/local/texlive/2013/texmf-dist/tex/latex/pdftex-def/pdftex.def
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/infwarerr.sty)
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/ltxcmds.sty))))
(/usr/local/texlive/2013/texmf-dist/tex/latex/xkeyval/pst-xkey.sty)
(/usr/local/texlive/2013/texmf-dist/tex/latex/multido/multido.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/multido/multido.tex
v1.42, 2010/05/14 <tvz>))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-plot/pst-plot.tex
v1.45, 2013/04/29 (tvz,hv)))
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-tree/pst-tree.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-tree/pst-tree.tex
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-node/pst-node.tex
v1.27, 2013/04/12) v1.12, 2011/02/28(tvz,dg,hv)))
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-node/pst-node.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-node/pst-node.tex))
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-eucl/pst-eucl.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-eucl/pst-eucl.tex
'PST-Euclide v1.47, 2013/03/12 (Dominique RODRIGUEZ)
This version uses the pst-xkey package for managing parameters
Please read the doc, some macros have a new syntax
use option old for upward compatibility))
(/usr/local/texlive/2013/texmf-dist/tex/latex/pstricks-add/pstricks-add.sty
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-3d/pst-3d.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-3d/pst-3d.tex
'PST-3d' v1.11, 2010/02/14 (tvz)))
(/usr/local/texlive/2013/texmf-dist/tex/latex/pst-math/pst-math.sty
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-math/pst-math.tex
'pst-math' v0.62 , (CJ,hv)))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks-add/pstricks-add.tex
'pstricks-add' v3.60, 2013/01/01 (dr,hv))) (./exemple.aux)
(/usr/local/texlive/2013/texmf-dist/tex/context/base/supp-pdf.mkii
[Loading MPS to PDF converter (version 2006.09.02).]
)
! Undefined control sequence.
<recently read> \c@lor@to@ps

l.14 \psplot
{-1}{2}{x^2-1}
?

Latex pb avec courbe de fonction

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