ENSIL Vahid Meghdadi
meghdadi@ensil.unilim.fr
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Latex Tips and Tricks
Add acronyms such that at the first usage it is written with all letters followed by the acronym and lateron just with the acronym

\usepackage{acronym} after the documentclass and before \begin{document}
\acrodef{FT}{full text}

and in the text use \ac{FT}.
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Writing a big formula in multiple lines
\begin{equation}
       \begin{split}
              the big formula & = the rest of the formula \\
                                      & = the formula ...
      \end{split}
\end{equation}
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add Figure a) and b)
\usepackage{subfig}

\begin{figure}
       \centering
    \subfloat{\label{fig:1A}\includegraphics[width=0.4\textwidth]{FIG_A.eps}}             
    \subfloat{\label{fig:1B}\includegraphics[width=0.4\textwidth]{FIG_B.eps}}
       \caption{here comes the caption}
       \label{fig:1}
\end{figure}
 
pour referencer: \ref{fig:1} ou \ref{fig:1A}
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