% SIAM Article Template
\documentclass[review,onefignum,onetabnum]{siamart220329}
%%% commands and packages
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{mathrsfs}
\begin{document}
\title{a}
\author{a}
\date{}
\maketitle
\begin{abstract}
a
\end{abstract}
\begin{keywords}
a
\end{keywords}
\begin{MSCcodes}
a
\end{MSCcodes}
\section{Introduction}
\begin{equation}
\label{teg:a}\tag{$\mathscr{A}_A$}
5x = 26
\end{equation}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bibliographystyle{siamplain}
\bibliography{references}
\end{document}
当我用 latex 编译它时,我收到错误:“LaTeX 错误:\mathscr 仅在数学模式下允许”但显然它处于数学模式。我做错了什么?