https://www.jianshu.com/p/3a833e484214

使用usepackage{pdflscape}宏包横版排版的begin{landscape}表格end{landscape}环境

begin{thebibliography}{99}

begin{equation}Omega_i^2 = left{ begin{aligned}(x_i,r_i) | (alpha_i + beta_isum x_i) - R_i &=

图片周边空白区域太多了

参考这个更好https://ask.latexstudio.net/ask/question/3415.html

documentclass{article}usepackage{tikz}usepackage[active,tightpage]{preview}PreviewEnvironment{tikzpi

1、大家可以用 tfrac{}{}来替代2、我重定义了一个dfrac，写为如下：renewcommand{dfrac}[2]{{renewcommand{arraystretch}{1.375}beg

documentclass[10pt,UTF8]{ctexbeamer}begin{document}begin{frame}begin{itemize}[<+-| alert@+>]it

captionpos=b