%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-5-5 on page II-182 in "Ellipsis and other kinds of \protect \ldots ".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.0pt}
%StartShownPreambleCommands
\usepackage{array,amsmath,mathdots}
%StopShownPreambleCommands
\begin{document}
\begin{tabular}{l@{}>{\large$}c<{$}>{\scriptsize$}c<{$}
>{\tiny$}c<{$}}
command & \multicolumn{1}{c}{large}
& \multicolumn{1}{c}{script}
& \multicolumn{1}{c}{tiny} \\[3pt]
\verb=\ddots= & \ddots & \ddots & \ddots \\
\verb=\iddots= & \iddots & \iddots & \iddots \\
\verb=\vdots= & \vdots & \vdots & \vdots \\
\verb=\dddot{Z}= & \dddot{Z} & \dddot{Z} & \dddot{Z}\\
\verb=\ddddot{Z}= & \ddddot{Z} & \ddddot{Z} & \ddddot{Z}
\end{tabular}
\end{document}