%% The LaTeX Graphics Companion, 2ed (first printing May 2007)

%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example D-6-4 on page .
%%
%% Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%% 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.
%%

\documentclass{ttctexaplate}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{413.44133pt}
\StartShownPreambleCommands
\usepackage{pstricks-add}
\setlength\parindent{0pt}
\renewcommand\pshlabel[1]{\footnotesize#1}
\renewcommand\psvlabel[1]{\footnotesize#1}
\StopShownPreambleCommands
\begin{document}
\psset{unit=1.25cm}
\begin{pspicture}[plotpoints=200](-0.5,-3)(10,2.5)
\psStep[algebraic,fillstyle=solid,fillcolor={[cmyk]{0,0,1,0}}](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){$f(x)=2\cdot\sqrt{x}\cdot\cos{(\ln{x})}\cdot\sin{x}$}
\end{pspicture}
\end{document}