LATEX教程（一）

第一个文档

打开WinEdt，建立一个新文档，将以下内容复制进入文档中，保存，保存类型选择为UTF-8。

\documentclass{article}
\begin{document}
   hello, world
\end{document}

标题、作者和注释

\documentclass{article}

\usepackage{Ctex}

\author{yif}

\title{我是标题}

\begin{document}

\maketitle

我是yif % This is comment

\end{document}

章节和段落

\documentclass{article}
\usepackage{Ctex}
      \title{我是标题}
    \author{yif}
\begin{document}
  \maketitle
  \section{Hello China}
    China is in East Asia.
    \subsection{Hello Beijing}
    Beijing is the capital of China.
      \subsubsection{Hello Dongcheng District}
        \paragraph{Tian'anmen Square}is in the center of Beijing %段落
          \subparagraph{Chairman Mao} is in the center of Tian'anmen Square
      \subsection{Hello Guangzhou}
        \paragraph{Sun Yat-sen University} is the best university in Guangzhou.
\end{document}

加入目录

\documentclass{article}
\usepackage{Ctex}
\begin{document}
   \tableofcontents %生成目录
   \section{Hello China} China is in East Asia.
     \subsection{Hello Beijing} Beijing is the capital of China.
       \subsubsection{Hello Dongcheng District}
         \paragraph{Hello Tian'anmen Square}is in the center of Beijing
           \subparagraph{Hello Chairman Mao} is in the center of Tian'anmen Square
\end{document}

换行

\documentclass{article}
\usepackage{Ctex}
\title{我的标题}
\author{yif}
    \begin{document}
\maketitle
   Beijing is
   the capital
   of China. 

  Washington is 

   the capital 

   of America. 

   Amsterdam is \\ the capital \\
   of the Netherlands.
    \end{document}

换一行不会显示换行，进行换两行在显示时才显示换一行。

双斜杠换行

数学公式

\documentclass{article}
       \usepackage{amsmath}
       \usepackage{amssymb}
    \usepackage{Ctex}
    \title{我的标题}
    \author{yif}
\begin{document}
\maketitle
   The Newton's second law is F=ma. 

   The Newton's second law is $F=ma$. %用美元修饰数学公式

   The Newton's second law is 

F=ma

   The Newton's second law is 

F=ma

   Greek Letters $\eta$ and $\mu$ %用数学符号

   Fraction $\frac{a}{b}$ %表示分数

   Power $a^b$ %表示指数

   Subscript $a_b$ %b是a的下标

   Derivate $\frac{\partial y}{\partial t} $ %偏导数

   Vector $\vec{n}$ %向量

   Bold $\mathbf{n}$ %加粗

   To time differential $\dot{F}$ %用点表示微分

   Matrix (lcr here means left, center or right for each column)%矩阵
   \[
     \left[
       \begin{array}{lcr}
         a1 & b22 & c333 \\
         d444 & e555555 & f6
       \end{array}
     \right]
   \] 

Equations(here \& is the symbol for aligning different rows) %写&
\begin{align}
   a+b&=c\\ %公式后面显示标号
   d&=e+f+g %公式后面显示标号
\end{align} 

\[ %带前括号
   \left\{
     \begin{aligned}
       &a+b=c\\
       &d=e+f+g
     \end{aligned}
   \right.
\]

\end{document}