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边界矩阵居中问题

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边界矩阵居中问题

我有以下代码：

\begin{figure}[h!]
\centering
 \bordermatrix{~& \ket{\Phi_{0}} & \ket{S} & \ket{D} & \ket{T} & \ket{Q} & \dots \cr
 \bra{\Phi_{0}} & E_{0} & \textbf{0} & \dirint{\Phi_{0}}{\hat{H}}{D} & \textbf{0} & \textbf{0} & \dots \cr
 \bra{S} &  & \dirint{S}{\hat{H}}{S} & \dirint{S}{\hat{H}}{D} & \dirint{S}{\hat{H}}{T} & \textbf{0} & \dots \cr
 \bra{D} &  &  & \dirint{D}{\hat{H}}{D} & \dirint{D}{\hat{H}}{T} & \dirint{D}{\hat{H}}{Q} & \dots \cr
 \bra{T} &  &  &  & \dirint{T}{\hat{H}}{T} & \dirint{T}{\hat{H}}{Q} & \dots \cr
 \bra{Q} &  &  &  &  & \dirint{Q}{\hat{H}}{Q} & \dots \cr
 \vdots  &  &  &  &  &  & \ddots \cr}
\caption{Structure of the full-CI matrix. The matrix is hermitian, therefore, only the
upper triangle is shown. The multitudes of singly, doubly, triply, etc. excited determinants 
are denoted as \ket{S}, \ket{D}, \ket{T}, etc.}
\label{fig:FCI_mat}
\end{figure}

它可以编译，但矩阵未居中。实际上，删除\centering不会改变矩阵的位置 - 它保持左对齐。有人知道如何将其置于中心吗？

谢谢！

答案1

放进\bordermatrix去

\[
\]

并使其成为显示方程。

\documentclass{article}
\usepackage{amsmath,braket}
\newcommand{\dirint}{\int}    %% just for compiling, change it in your file
\begin{document}
  \begin{figure}[h!]
\[
 \bordermatrix{~& \ket{\Phi_{0}} & \ket{S} & \ket{D} & \ket{T} & \ket{Q} & \dots \cr
 \bra{\Phi_{0}} & E_{0} & \textbf{0} & \dirint{\Phi_{0}}{\hat{H}}{D} & \textbf{0} & \textbf{0} & \dots \cr
 \bra{S} &  & \dirint{S}{\hat{H}}{S} & \dirint{S}{\hat{H}}{D} & \dirint{S}{\hat{H}}{T} & \textbf{0} & \dots \cr
 \bra{D} &  &  & \dirint{D}{\hat{H}}{D} & \dirint{D}{\hat{H}}{T} & \dirint{D}{\hat{H}}{Q} & \dots \cr
 \bra{T} &  &  &  & \dirint{T}{\hat{H}}{T} & \dirint{T}{\hat{H}}{Q} & \dots \cr
 \bra{Q} &  &  &  &  & \dirint{Q}{\hat{H}}{Q} & \dots \cr
 \vdots  &  &  &  &  &  & \ddots \cr}
 \]
\caption{Structure of the full-CI matrix. The matrix is hermitian, therefore, only the
upper triangle is shown. The multitudes of singly, doubly, triply, etc. excited determinants
are denoted as $\ket{S}$, $\ket{D}$, $\ket{T}$, etc.}
\label{fig:FCI_mat}
\end{figure}
\end{document}

在此处输入图片描述

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