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+%%
+%% A DANTE-Edition example
+%%
+%% Example 36-00-41 on page 785.
+%%
+%% 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}
+
+\usepackage{pstricks-add}
+
+\begin{document}
+\def\pshlabel#1{\footnotesize#1}
+\def\psvlabel#1{\footnotesize#1}
+\psset{xunit=1.25,yunit=1.5cm}
+\begin{pspicture}[plotpoints=200](-0.5,-3)(10,2.5)
+ \psStep[algebraic,fillstyle=solid,fillcolor=yellow](0.001,9.5){40}{2*sqrt(x)*cos(ln(x))*sin(x)}
+ \psStep[algebraic,StepType=Riemann,fillstyle=solid,fillcolor=blue](0.001,9.5){40}{2*sqrt(x)*cos(ln(x))*sin(x)}
+ \psaxes{->}(0,0)(0,-2.75)(10,2.5)
+ \psplot[algebraic,linecolor=white]{0.001}{9.75}{2*sqrt(x)*cos(ln(x))*sin(x)}
+ \uput[90](6,1.2){$f(x)=2\sqrt{x}\cos{(\ln{x})}\sin{x}$}
+\end{pspicture}
+\end{document}