%% %% A DANTE-Edition example %% %% %% Copyright (C) 2011 Herbert Voss %% %% It may be distributed and/or modified under the conditions %% of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% %% See http://www.latex-project.org/lppl.txt for details. %% %% %% ==== % Show page(s) 1 %% \documentclass[]{article} \pagestyle{empty} \setlength\textwidth{201.70511pt} \setlength\parindent{0pt} \def\pshlabel#1{\footnotesize#1} \def\psvlabel#1{\footnotesize#1} \def\dt{\ensuremath{\,\mathrm{d}t}} \usepackage{pstricks,pst-func} \begin{document} \psset{xunit=0.75} \begin{pspicture}(-0.25,-2)(15,2) \psaxes[dx=1cm,Dx=2]{->}(0,0)(-0.25,-2)(15,2) \psplot[plotpoints=500]{0.01}{14.5}{ x RadtoDeg sin x div } \psSi[plotpoints=500,linecolor=red,linewidth=1pt]{0.01}{14.5} \pssi[plotpoints=500,linecolor=blue,linewidth=1pt]{0.01}{14.5} \rput(5,1){\color{red}$Si(x)=\int\limits_{0}^x \frac{\sin(t)}{t}\dt$} \rput(4.5,-1.5){\color{blue}$si(x)=-\int\limits_{x}^{\infty} \frac{\sin(t)}{t}\dt=Si(x)-\frac{\pi}{2}$} \rput(8,.5){$f(x)= \frac{\sin(t)}{t}$} \end{pspicture} \end{document}