10 如何给矩阵添加行列编号，并同时添加虚线分割？

需求：

1. 矩阵左边行标识右对齐
2. 将矩阵用虚线分开

MWE代码

% -*- coding: utf-8 -*-
% !TEX program = xelatex

\documentclass[10pt]{beamer}

\usepackage{amsmath}
\usepackage{nicematrix}
\usepackage{braket}
\usepackage{blkarray} 


%%%=====================================%%%
\begin{document}

\begin{frame}{Matrix test}

\begin{equation*}
    \begin{blockarray}{ccccc}
        &  \ket{\phi_{B}}  &  \ket{\varphi_{\varepsilon}}  &   \ket{\phi_{B}}  &  \ket{\varphi_{\varepsilon}}   \\
        \begin{block}{r(cccc)}
            \bra{\phi_{B}}                                                          & A & A  & B  & B \\
            \displaystyle{\int \mathrm{d}\varepsilon \bra{\varphi_{\varepsilon}}}   & A & A  & B  & B \\
            %   \BAhline 
            \bra{\phi_{B}}                                                          & C & C  & D  & D \\
            \displaystyle{\int \mathrm{d}\varepsilon \bra{\varphi_{\varepsilon}}}   & C & C  & D  & D \\
        \end{block}
    \end{blockarray}
\end{equation*}

\end{frame}

\end{document}

查看更多