Working with latex is sometimes very painful because of several packages to be included. I am building this page to use as a reference when working with pdflatex, TeXShop, or other PDF-oriented compiler. Although I am providing required package with the code, we must include all packages at the header of the tex file i.e. just after \documentclass command.

### Formatting Table:

I use tabularx package for building table. The advantage with this is, I don’t have to think of table width. if I line in cell exceeds the width of that column, then tabularx package wrap that particular cell to fit into the table width. My default code for table is given below

\usepackage{tabularx}
\begin{table}
\centering
\caption{}
\label{}
\begin{tabularx}{\columnwidth}{|c|X|}\hline
cell 1 & cell 2\\ \hline
\end{tabularx}
\end{table}


### Including Graphics:

It is always preferred to use vector graphics instead of raster graphics. Details of importing figure using graphicx package can be found in wiki. pdflatex (default compiler for latex in linux) can not compile eps files into pdf. It can only include pdf, jpg, png, gif etc. To include eps files, I have included the package epstopdf in the header. epstopdf must be installed in the system.

    \usepackage{graphicx}
\usepackage{epstopdf}

\begin{figure}
\centering
\includegraphics[width=\columnwidth]{<figure_name>}
\caption{caption to display}
\label{label for referring}
\end{figure}

• \columnwidth specify the default column width.

• For specifying figure name, we don’t need to specify the format. pdflatex will take the figure with best matched format.

• To span a figure for the whole page, we need to specify \begin{figure*}....\end{figure{*} and replace [width=\columnwidth] with [width=\textwidth]

• Each eps file must contain bounding box which is by default generated with gnuplot.

• If pdflatex returns some error then compile it with pdflatex --shell-escape command. This can be automated in Emacs by following these steps:

• M-x customize-group RET TeX-command
• Expand ‘TeX Command List’ and press on ‘INS’ button
• Fill these fields as: – Name: LaTeXshellEscape – Command: pdflatex -shell-escape \%(mode)\%' %t – How: TeX-run-command
• Now, go to top of page. Press on the button ‘Save for future session’ and then press on ‘Exit’.
• Now, you can compile your TeX using C-c C-c LaTeXshellEscape command

Always put label after caption. Otherwise your figure / table numbering might be wrong.

### Default Length:

In stead of providing absolute width or height in terms of cm or in, it is very useful to use default commands for that. wiki provides very useful list of lengths. I use handful of widths such as \columnwidth, \linewidth and \textwidth that corresponds to width of column, line in the local environment and text on the page respectively.

### White Space:

I use \hspace{length}, \vspace{length} for providing or eliminating white space. For example, to eliminate white spae after a picture, I use \vspace{-20pt} just before \end{figure} command.