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Question

我用来subcaption并排布局两个不同宽度的表格，但我不明白如何预先知道表格的宽度。我应该用什么来代替这些*？

\begin{table}[p]
    \centering
    \begin{subtable}{*}
        \begin{tabular}{rccc}
        \toprule
        & {\bf\small no}
        & {\bf\small informally}
        & {\bf\small formally} \\ \midrule
        {\bf\small beginners}       & {\bf 4} & 3 & 1 \\
        {\bf\small non-beginners}   & 0       & 0 & {\bf 12} \\
        {\bf\small total}           & 4       & 3 & {\bf 13} \\ \bottomrule
        \end{tabular}
        \caption{Q1: Have you studied music?}
    \end{subtable}
    \qquad
    \begin{subtable}{*}
        \begin{tabular}{ccc}
        \toprule
        {\bf\small no}
        & {\bf\small one}
        & {\bf\small more} \\ \midrule
        {\bf 6} &      2  & 0 \\
             1  & {\bf 6} & 5 \\
        {\bf 7} & {\bf 8} & 5 \\ \bottomrule
        \end{tabular}
        \caption{Q2: Do you play a musical instrument?}
    \end{subtable}
\end{table}

Answer 1

您可以改用\subcaptionbox其宽度等于内容宽度（除非通过可选参数进行修改）：

\documentclass{article}
\usepackage{array}
\usepackage{subcaption}
\usepackage{booktabs}

\begin{document}

\begin{table}[p]
    \centering
    \subcaptionbox{Q1: Have you studied music?}{%
        \begin{tabular}{>{\bfseries\small}rccc}
        \toprule
        & \bfseries\small no
        & \bfseries\small informally
        & \bfseries\small formally \\ \midrule
        beginners       & \bfseries 4 & 3 & 1 \\
        non-beginners   & 0       & 0 & \bfseries 12 \\
        total           & 4       & 3 & \bfseries 13 \\ \bottomrule
        \end{tabular}}\qquad
    \subcaptionbox{Q2: Do you play a musical instrument?}{%
        \begin{tabular}{>{\bfseries\small}ccc}
        \toprule
        no
        & \bfseries\small one
        & \bfseries\small more \\ \midrule
        6 &      2  & 0 \\
             1  & \bfseries 6 & 5 \\
        7 & \bfseries 8 & 5 \\ \bottomrule
        \end{tabular}}
\end{table}

\end{document}

结果：

评论

• \bf已过时，请改用\bfseries。
• 由于每个单元格形成一个组，因此不需要明确的分组。
• 使用包>{...}中的语法，array您可以>{\bfseries\small}将这些设置应用于整个列。