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文档中的引用表

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文档中的引用表

我已经完成了下面的表格。但是现在我想给下面的表格添加一个标题，我只想给它添加标题表 1：变量。但是当我尝试它时我遇到了问题，寻求帮助谢谢！我附上了一张截图

在此处输入图片描述

\documentclass{article}
\usepackage{graphicx}
\usepackage{booktabs, multirow}
\usepackage{siunitx}
\usepackage{amsmath}
\setlength{\extrarowheight}{2pt}
\usepackage{tabularx}
\begin{document}
{\footnotesize
\noindent\begin{tabularx}{\linewidth}{p{1.45cm}>{$}c<{$}Xlp{1.5cm}} \toprule
& \text{Symbol}
    & \hfil Description                   & Unit     & Constraint\\
\midrule
Variables
& S_H & Number of susceptible humans & number   & $S_H \geq 0 $ \\
& I_H & Number of infected humans & number   & $I_H \geq 0 $ \\
& R_H & Number of recovered humans & number   & $R_H \geq 0 $ \\
& V_H & Number of vaccinated humans & number& $ V_H \geq 0$ \\
& N_H & Number of total human population & number   & $N_H > 0 $ \\
& S_M & Number of susceptible mosquitoes & number   & $S_M \geq 0 $ \\
& E_M & Number of exposed mosquitoes & number   & $E_M \geq 0 $ \\
& I_M & Number of infected mosquitoes & number   & $I_M \geq 0 $ \\
& N_M & Number of total mosquito population & number   & $N_M > 0 $ \\
\bottomrule
\end{tabularx}
}
\end{document}

答案1

使用table环境并在其中输入\caption命令。稍后要引用它，请使用\label{...}inside of \caption（确保此处不引入虚假空格），并使用\ref{...}to 引用它（\ref将仅产生数字）。引用需要至少两次 LaTeX 运行。

\documentclass{article}
\usepackage{graphicx}
\usepackage{booktabs, multirow}
\usepackage{siunitx}
\usepackage{amsmath}
\setlength{\extrarowheight}{2pt}
\usepackage{tabularx}
\begin{document}
\begin{table}
\footnotesize
\noindent\begin{tabularx}{\linewidth}{p{1.45cm}>{$}c<{$}Xlp{1.5cm}} \toprule
& \text{Symbol}
    & \hfil Description                   & Unit     & Constraint\\
\midrule
Variables
& S_H & Number of susceptible humans & number   & $S_H \geq 0 $ \\
& I_H & Number of infected humans & number   & $I_H \geq 0 $ \\
& R_H & Number of recovered humans & number   & $R_H \geq 0 $ \\
& V_H & Number of vaccinated humans & number& $ V_H \geq 0$ \\
& N_H & Number of total human population & number   & $N_H > 0 $ \\
& S_M & Number of susceptible mosquitoes & number   & $S_M \geq 0 $ \\
& E_M & Number of exposed mosquitoes & number   & $E_M \geq 0 $ \\
& I_M & Number of infected mosquitoes & number   & $I_M \geq 0 $ \\
& N_M & Number of total mosquito population & number   & $N_M > 0 $ \\
\bottomrule
\end{tabularx}
\caption{A table\label{tab:tabel}}
\end{table}

If you want to reference it, use \ref{tab:tabel}.
\end{document}

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