%%
%% Ein Beispiel der DANTE-Edition
%%
%% 7. Auflage
%%
%% Beispiel 21-03-6 auf Seite 355.
%%
%% Copyright (C) 2016 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks,pst-blur,amsmath}
%StopShownPreambleCommands
\begin{document}
\psset{linestyle=none}
\psblurbox{\parbox{0.9\linewidth}{%
\[F(x)=\int f(x)dx\]}} \\[10pt]
\psblurbox[blurbg=red]{%
\parbox{0.9\linewidth}{%
\[F(x)=\int f(x)dx\]}} \\[12pt]
\psblurbox[blurbg=blue!30!red!80,
blurradius=5pt]{%
\parbox{0.9\linewidth}{%
\begin{align}
x_1 &= x_0-\frac{F(x_0)}%
{F^\prime(x_0)}\ge x_0
\end{align}}}
\end{document}
