Latex basic

LaTeX basic usages. takeaways from Luke Smith’s Latex tutorial

# Basic Structure

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\documentclass{article}

\author{Emmanuel Blyatstein}
\title{This is a title}

\begin{document}
    \section{section 1}
        \subsection{Subsection 1}
        \subsection{Subsection 2}
    \section{section 2}
\end{document}

Numbered Lists

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\begin{enumerate}
    \item item1
    \item item2 
    \item item3
\end{enumerate}

No-number

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\begin{itemize}
    \item item1
    \item item2 
    \item item3
\end{itemize}

Fonts and Quotations

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This is normal. 
\textbf{this is bold}
\textit{this is italic.}
\emph{this is emphatic.}
\underline{this is underline}
``This is a quot''
`this is a single quot'

Labels and references:

\section{something \label{som}}

I'm using ref to \ref{som}

the numbering of \ref and \label will match when the article structure changes.

# Images & Figures

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\usepackage{graphicx}

Basic usage

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\includegraphics[paras]{test.png}

Figures figures are numbered. can add captions

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\begin{figure}
    \centering
    \includegraphics[width=0.7\textwidth]{fig/LeNet.png}
    \caption{this is a figure}
\end{figure}

Figure Positioning:
by default latex put figures where it’s most space-efficient

\begin{figure}[h] puts the figure exactly where this line of source code is.
\begin{figure}[t] puts the figure on page top.
\begin{figure}[b] puts the figure on page bottom.

paras e.g.

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\begin{center}
\includegraphics[width=3in,height=5in,keepaspectratio]{fig/aaa.png}
\end{center}

\begin{center}
\includegraphics[width=\textwidth]{fig/xxx.png}
\end{center}

Wrapping package:

usepackage{wrapfig}

Usage:

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\begin{wrapfigure}{r}{3in}
    \includegraphics[width=2.5in]{fig/ActivationMap.png}
\end{wrapfigure}

Paras:

{r} place on the right
{3in} width of the wrap area (not the figure width)

Figure Label and Refs

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\begin{figure}
    \centering
    \includegraphics{fig/LeNet.png}
    \caption{this is a figure \label{t1}}
\end{figure}

please refer to figure \ref{t1}

# Bibliographies managements

in file library.bib

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@book{test,
        author = "LASTNAME, FirstName",
        title  = "A book",
        year   = "2021",
        publisher = "XXX Verlag"
      }

note: test is the reference id

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\documentclass{article}
\usepackage[backend=biber]{biblatex}    
\addbibresource{library.bib}
\begin{document}

\textcite{test} says fuck

this is a parencite \parencite{test}

\printbibliography

\end{document}

# TWO-Column Articles:

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\documentclass[twocolumn]{article}

\usepackage{blindtext}
\begin{document}
\twocolumn

\blindtext

\blindtext

\blindtext

\onecolumn
\blindtext

\end{document}

# Macro

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\newcommand{\commandName}[Paras]{what to do}