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%% The LaTeX Companion, 3ed
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%% Example 9-4-1 on page I-678 in "Predefined alphabet identifiers".
%%
%% Copyright (C) 2022 Frank Mittelbach
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%% 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.
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\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.0pt}
%StartShownPreambleCommands
%StopShownPreambleCommands
\begin{document}
Therefore, $\mathsf{G}$ can be computed as
\begin{equation}
\mathsf{G} = \mathcal{A} +
\sum_{i=1}^{n} \mathcal{B}_{i}
\end{equation}
\end{document}
