- amsmath:最常用的数学宏包
1. bm:bold math 数学字体加粗
\documentclass{article}
\usepackage{bm}
\begin{document}
\[
\int k\,\mathrm{d}x \ne
\bm{\int k\,\mathrm{d}x}
\]
\end{document}
2. graphicx
\newcommand{\indep}{\rotatebox[origin=c]{90}{$\models$}}
$X \indep Y$
3. extpfeil/extarrows:xlongequal
\usepackage{extarrows}
\begin{equation}
a\xlongequal[abc]{def}b
\end{equation}
- 等于号下是
abc
,等于号上是def