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%%
%% A DANTE-Edition example
%%
%%
%% Copyright (C) 2010 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{pst-tree}
\SpecialCoor
\makeatletter
\def\MyNodeA{\@ifnextchar[{\MyNodeA@i}{\MyNodeA@i[]}}
\def\MyNodeA@i[#1]#2{\Tr[#1]{\psframebox{#2}}}
\def\MyNodeB{\@ifnextchar[{\MyNodeB@i}{\MyNodeB@i[]}}
\def\MyNodeB@i[#1]#2{\TR[#1]{\psframebox{#2}}}
\def\MyNodeC{\@ifnextchar[{\MyNodeC@i}{\MyNodeC@i[]}}
\def\MyNodeC@i[#1]#2#3{\Tr[#1]{\rnode[b]{#2}{\psframebox{#3}}}}
\makeatother
\begin{document}
\psrotateleft{%
\pstree[arrows={-*},arrowscale=2,nodesepB=0.1]{\MyNodeA[ref=b]{matrix package}}{%
\pstree[treesep=-2,levelsep=1.5] {\MyNodeC[ref=t]{Types}{matrix types}}{%
\psset{levelsep=0.8,labelsep=0.1}%
\def\pspred{Types}%
\MyNodeB[href=-0.4]{\Rnode[href=-0.4]{Dense}{dense matrices}}
\tlput[tpos=0.44]{0.7}
\skiplevels{1}
\MyNodeB{\Rnode{Sparse}{sparse matrices}}
\tlput[tpos=0.58]{0.3}
\endskiplevels
\pspolygon*([nodesep=3.3]{\pspred}Dense)(\pspred)([nodesep=2.8]{\pspred}Sparse)
\skiplevels{2}
\MyNodeB[href=0.3]{\Rnode[href=0.3]{Real}{real matrices}}
\tlput[tpos=0.65]{0.7}
\endskiplevels
\skiplevels{3}
\MyNodeB[href=0.3]{\Rnode[href=0.3]{Complex}{complex matrices}}
\tlput[tpos=0.7]{0.3}
\endskiplevels
\pspolygon*([nodesep=2.75]{\pspred}Real)(\pspred)([nodesep=2.3]{\pspred}Complex)
\skiplevels{4}
\MyNodeB[href=0.4]{rectangular matrices}
\endskiplevels
\psset{arrows={-o},tpos=0.78}%
\skiplevels{5}
\MyNodeB[href=0.4]{symmetric matrices}
\tlput[tpos=0.74]{0.3}
\endskiplevels
\skiplevels{6}
\MyNodeB[href=0.5]{diagonal matrices}
\tlput{0.3}
\endskiplevels
\skiplevels{7}
\MyNodeB[href=0.5]{triangular matrices}
\tlput{0.3}
\endskiplevels
\skiplevels{8}
\MyNodeB[href=1]{band matrices}
\tlput[labelsep=0]{0.1}
\endskiplevels
\tspace{6}\Tn%
}
\pstree[treesep=-3.5,levelsep=1.5]%
{\MyNodeC[ref=t]{Computation}{matrix computation types}}{%
\def\pspred{Computation}%
\MyNodeB[href=0.6]{factorizations}
\psset{levelsep=0.8,labelsep=0.05,tpos=0.8}%
\skiplevels{1}
\MyNodeB[href=-0.4]{%
\Rnode[href=-0.4]{Linear}{linear systems}}
\tlput[tpos=0.7]{0.3}
\endskiplevels
\skiplevels{2}
\MyNodeB[href=-0.6]{least squares}
\tlput[tpos=0.75]{0.2}
\endskiplevels
\skiplevels{3}
\MyNodeB[href=-0.6]{eigenvalues}
\tlput{0.2}
\endskiplevels
\skiplevels{4}
\MyNodeB[href=-0.8]{%
\Rnode[href=-0.8]{Iterative}{iterative methods}}
\tlput{0.2}
\endskiplevels
\pnode([nodesep=0.8]{\pspred}Linear){LinearB}
\pnode([nodesep=3.3]{\pspred}Iterative){IterativeB}
\pscustom*[arrows=-]{%
\psline(IterativeB)(\pspred)(LinearB)
\ncarc[arcangle=40]{LinearB}{IterativeB}%
}%
}%
}}
\end{document}
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