LaTeX Forum

\documentclass{article}
\usepackage{pstricks,pst-plot,auto-pst-pdf}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\psset{unit=7ex} 

\begin{document}
  
\begin{pspicture}(-0.5,-0.5)(2.5,2.5)
\psaxes[showorigin=false, tickstyle=bottom,labelsep=5pt]{->}(2.5,2.5)
\rput(2.5,-.2){$x$}
\rput(-.2,2.5){$y$}
\rput(2.0,2.0){{\color{red}$g(x)=x^3$}}
\psplot[plotpoints=200,linecolor=red]{0.0}{1.3}{x 3 exp}
\rput(2.0,1.0){{\color{blue}$f(x)=x$}}
\psplot[plotpoints=200,linecolor=blue]{0.0}{1.7}{x}
\end{pspicture}

\[ g(x)=x^3 \]

\[ f(x)=x \]
\end{document}

voss@shania:~> pdffonts Documents/testI.pdf
name                                 type              emb sub uni object ID
------------------------------------ ----------------- --- --- --- ---------
EIDGYL+LMRoman7-Regular              Type 1C           yes yes no      12  0
PMUMFY+LMMathItalic10-Regular        Type 1C           yes yes no      10  0
KRNZUF+LMRoman10-Regular             Type 1C           yes yes no       8  0

pdffonts fixp.pdf 
name                                 type              emb sub uni object ID
------------------------------------ ----------------- --- --- --- ---------
ZSETKG+LMMathItalic10-Regular        Type 1            yes yes no       6  0
DMNVHT+LMRoman10-Regular             Type 1            yes yes no       7  0
ELNBTW+LMRoman7-Regular              Type 1            yes yes no       8  0
DMNVHT+LMRoman10-Regular             Type 1            yes yes no       9  0
EIDGYL+LMRoman7-Regular              Type 1C           yes yes no      16  0
PMUMFY+LMMathItalic10-Italic         Type 1C           yes yes no      17  0
KRNZUF+LMRoman10-Regular             Type 1C           yes yes no      18  0

\listfiles
\documentclass{article}
\usepackage{pst-plot,auto-pst-pdf}
\usepackage[T1]{fontenc}
\usepackage{lmodern}

\begin{document}
\[ g(x)=x^3 \]
\[ f(x)=x \] \textit{x}\textsl{x}$x$

\begin{pspicture}(-0.5,-0.5)(2.5,2.5)
\psaxes[showorigin=false, tickstyle=bottom,labelsep=5pt]{->}(2.5,2.5)
\rput(2.5,-.2){$x$}
\rput(-.2,2.5){$y$}
\rput(2.0,2.0){{\color{red}$g(x)=x^3$}}
\psplot[plotpoints=200,linecolor=red]{0.0}{1.3}{x 3 exp}
\rput(2.0,1.0){{\color{blue}$f(x)=x$}}
\psplot[plotpoints=200,linecolor=blue]{0.0}{1.7}{x}
\end{pspicture}

\[ g(x)=x^3 \]
\[ f(x)=x \] \textit{x}\textsl{x}$x\mathit{x}$
\end{document} 

pdflatex>  *File List*
pdflatex>  article.cls    2007/10/19 v1.4h Standard LaTeX document class
pdflatex>   size10.clo    2007/10/19 v1.4h Standard LaTeX file (size option)
pdflatex> pst-plot.sty    2010/01/22 package wrapper for pst-plot.tex
pdflatex> pstricks.sty    2010/08/28 v0.46 LaTeX wrapper for `PSTricks' (RN,HV)
pdflatex> pstricks.tex    2010/09/16 v2.12 `PSTricks' (tvz,hv)
pdflatex> pst-xkey.tex    2005/11/25 v1.6 PSTricks specialization of xkeyval (HA)
pdflatex>  xkeyval.sty    2008/08/13 v2.6a package option processing (HA)
pdflatex>  xkeyval.tex    2008/08/13 v2.6a key=value parser (HA)
pdflatex>   pst-fp.tex    2010/09/16 v2.12 `PST-fp' (hv)
pdflatex>   xcolor.sty    2007/01/21 v2.11 LaTeX color extensions (UK)
pdflatex>    color.cfg    2007/01/18 v1.5 color configuration of teTeX/TeXLive
pdflatex>   pdftex.def    2010/09/14 v0.05b Graphics/color for pdfTeX
pdflatex> pst-plot.tex    2010/09/09 1.20 `pst-plot' (tvz,hv)
pdflatex> auto-pst-pdf.sty    2009/04/26 v0.6 Wrapper for pst-pdf
pdflatex>    ifpdf.sty    2010/01/28 v2.1 Provides the ifpdf switch (HO)
pdflatex> ifplatform.sty    2009/09/10 v0.3a Testing for the operating system
pdflatex> pdftexcmds.sty    2010/04/01 v0.9 Utility functions of pdfTeX for LuaTeX (HO)
pdflatex> infwarerr.sty    2010/04/08 v1.3 Providing info/warning/message (HO)
pdflatex> ifluatex.sty    2010/03/01 v1.3 Provides the ifluatex switch (HO)
pdflatex>  ltxcmds.sty    2010/04/26 v1.7 LaTeX kernel commands for general use (HO)
pdflatex> catchfile.sty    2010/04/28 v1.5 Catches the contents of a file (HO)
pdflatex> etexcmds.sty    2010/01/28 v1.3 Prefix for e-TeX command names (HO)
pdflatex> fixp_more.w18
pdflatex>  pst-pdf.sty    2008/10/09 v1.1v PS graphics for pdfLaTeX (RN,HjG)
pdflatex> graphicx.sty    1999/02/16 v1.0f Enhanced LaTeX Graphics (DPC,SPQR)
pdflatex> graphics.sty    2009/02/05 v1.0o Standard LaTeX Graphics (DPC,SPQR)
pdflatex>     trig.sty    1999/03/16 v1.09 sin cos tan (DPC)
pdflatex> graphics.cfg    2010/04/23 v1.9 graphics configuration of TeX Live
pdflatex>  preview.sty    2010/02/14 11.86 (AUCTeX/preview-latex)
pdflatex>    dvips.def    1999/02/16 v3.0i Driver-dependant file (DPC,SPQR)
pdflatex>  environ.sty    2008/06/18 v0.2 A new way to define environments
pdflatex>  fontenc.sty
pdflatex>    t1enc.def    2005/09/27 v1.99g Standard LaTeX file
pdflatex>  lmodern.sty    2009/10/30 v1.6 Latin Modern Fonts
pdflatex>    t1lmr.fd    2009/10/30 v1.6 Font defs for Latin Modern
pdflatex> supp-pdf.mkii
pdflatex>   ot1lmr.fd    2009/10/30 v1.6 Font defs for Latin Modern
pdflatex>   omllmm.fd    2009/10/30 v1.6 Font defs for Latin Modern
pdflatex>  omslmsy.fd    2009/10/30 v1.6 Font defs for Latin Modern
pdflatex>  omxlmex.fd    2009/10/30 v1.6 Font defs for Latin Modern