Liam0205

\documentclass{ctexart}
\usepackage{amsmath, amssymb}
\begin{document}
已知集合$M=\left\{ x\middle\vert {{\left( x-1 \right)}^{2}}​\textless {4}​ , x\in R \right\},N=\left\{ -1,0,1,2,3 \right\}$，则$M\bigcap N=$（   ）.
\end{document}

Liam0205

%!TEX TS-program = xelatex
\documentclass[a4paper,titlepage, UTF8, hyperref]{ctexart}
\usepackage{hyperref}
\hypersetup{hidelinks}
\usepackage{graphicx}
\usepackage{titlesec, titletoc}     %设置标题格式
\usepackage{wrapfig}
\usepackage{fancyhdr}   %页眉页脚
\usepackage{upgreek}    %\upalpha等可生成直立希腊字
\usepackage{ifthen}

Liam0205

\documentclass{article}
\begin{document}
\begin{table}
  \centering
  \caption{Maximum norm errors for different step sizes.}
  \begin{tabular}{cccc}
  \hline
  %h & \tau & E_{\infty}(h,\tau) &log_2\frac{E_{\infty}(2h,4\tau)}{E_{\infty}(h,\tau)}\\
  1/10 & 1/100 & 6.128e-05 & *\\
  1/20 & 1/400 & 3.821e-06 & 4.003\\

Liam0205

\documentclass{article}
\usepackage{booktabs}
\begin{document}
\begin{table}
  \centering
  \caption{Maximum norm errors for different step sizes.}
\[
  \begin{array}{cccc}
  \toprule
  h & \tau & E_{\infty}(h,\tau) &log_2\frac{E_{\infty}(2h,4\tau)}{E_{\infty}(h,\tau)}\\

Liam0205

\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
  h = \sqrt[\leftroot{-2}\uproot{10}3]{\frac{GMT^{2}}{4\pi^{2}}} - R
\]
\end{document}

Liam0205

\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
  h = \sqrt[\leftroot{-4}\uproot{11}\scriptstyle 3]
  {\frac{GMT^{2}}{4\pi^{2}}} - R
\]
\end{document}

Liam0205

中文依赖：
CTeX:
- l3kernel
  - etex
- l3packages
- tools
- ms
- zhnumber
- CJK
- CJKpunct

Liam0205

\documentclass{ctexart}
\usepackage[papersize={60cm, 15cm}, margin = 1in]{geometry}
\newcommand{\nicongweijianguodechaodazihao}{\fontsize{100pt}{120pt}\selectfont}
\begin{document}
normal text

\nicongweijianguodechaodazihao
the fucking huge text
\end{document}

Liam0205

\documentclass{article}
\usepackage{amsmath}
\usepackage{mathtools}
\MHInternalSyntaxOn
\def\MT_start_cases:nnnnn #1#2#3#4#5{%
  \RIfM@\else
   \nonmatherr@{\begin{\@currenvir}}
  \fi
  \MH_group_align_safe_begin:
  \left#5

Liam0205

\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
  \left .
  \begin{alignedat}{3}
      a &{} = b &&{} = c \\
      a &{} = b &&{} = c \\
      a &{} = b &&{} = c
  \end{alignedat}