example 1.
\documentclass{article}
\title{Title of my document}
\date{2013-09-01}
\author{John Doe}
\begin{document}
\maketitle
\pagenumbering{gobble}
\newpage
\pagenumbering{arabic}
\section{Section}
Hello World!
\subsection{Subsection}
Structuring a document is easy!
\end{document}
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- usepackage
\documentclass{article}
\begin{document}
\begin{equation}
f(x) = x^2
\end{equation}
\end{document}
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3.math
學習Latex中如何排版和對齊等式、矩陣和分式，基礎的數(shù)學特征的概覽
package amsmath:常用的數(shù)學包
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation*}
1 + 2 = 3
\end{equation*}
\begin{equation*}
1 = 3 - 2
\end{equation*}
\begin{align*}
1 + 2 &= 3\\
1 &= 3 - 2
\end{align*}
\end{document}
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\frac{分子}{分母}\（換行符）
\int^a_b 積分號，a為上界，b為下界
\sqrt{x} 更號下x
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\begin{matrix}
1 &(元素之間用&連接) 0\(換行符)
0 & 1
\end{matrix}
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一切格式化的東西需要用align標簽include
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\left( ... \right) 括號包被
- image insertion[pass]
https://www.latex-tutorial.com/tutorials/beginners/latex-figures/ - draw a graph
\documentclass[11pt]{scrartcl}
\usepackage{tkz-berge}
\begin{document}
\begin{tikzpicture}[scale=.5]
\GraphInit[vstyle=Art]
\SetGraphArtColor{red}{olive}
\grPetersen[form=1,RA=5,RB=3]%
\end{tikzpicture}
\begin{tikzpicture}[scale=.4]
\GraphInit[vstyle=Art]
\SetGraphArtColor{red}{olive}
\grPetersen[form=2,RA=7,RB=3]%
\end{tikzpicture}
\begin{tikzpicture}[scale=.5]
\GraphInit[vstyle=Art]
\SetGraphArtColor{red}{olive}
\grPetersen[form=3,RA=7]%
\end{tikzpicture}
\end{document}
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https://tex.stackexchange.com/questions/57152/how-to-draw-graphs-in-latex
