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如何将所有元素置于表格的中心

tag-icon • tag-icon tables horizontal-alignment
如何将所有元素置于表格的中心

我有以下代码。我的目标是使表格中的所有元素居中，并使表格适合页面。我搜索了类似的帖子，找到了几个，但它们的解决方案都不适合我。

\documentclass{IEEEtran}
\usepackage{cite}
\usepackage{amsmath}
\usepackage{amsthm}
\newtheorem{thm}{Theorem}
\newtheorem{lem}{Lemma}
\newtheorem{cor}{Corollary}
\usepackage{amsfonts}
\usepackage{graphicx}
\usepackage{array}
\usepackage{siunitx}
\usepackage{booktabs}
\DeclareSymbolFont{matha}{OML}{txmi}{m}{it}% txfonts
\DeclareMathSymbol{\varv}{\mathord}{matha}{118}
\usepackage{caption}
\usepackage{algorithm}
\usepackage{algpseudocode}
\usepackage{color}
\makeatletter
\def\BState{\State\hskip-\ALG@thistlm}
\makeatother
\begin{table*}[htbp]
    \centering
    \caption{Caption}
\begin{tabular}{|c|p{6.21em}|p{4.055em}|c|p{5.63em}|p{4.13em}|c|p{5.79em}|p{4.13em}|c|}
    \toprule
    & \multicolumn{3}{c|}{d=0.0005} & \multicolumn{3}{c|}{d=0.001} & \multicolumn{3}{c|}{d=0.002} \\
    \midrule
    \multicolumn{1}{|p{6.29em}|}{SNR} & Estimated \newline{}Direction & \multicolumn{1}{c|}{Adjusted \newline{} Angular Distance} & \multicolumn{1}{p{5em}|}{Mean Adj.\newline{}Angular \newline{}Deviation} & Estimated \newline{}Direction & \multicolumn{1}{c|}{Adjusted Angular Distance} & \multicolumn{1}{p{4.79em}|}{Mean Adj.\newline{}Angular \newline{}Deviation} & Estimated \newline{}Direction & \multicolumn{1}{c|}{Adjusted \newline{}Angular Distance} & \multicolumn{1}{p{5.21em}|}{Mean Adj.\newline{}Angular\newline{}Deviation} \\
    \midrule
    30    & (48.6, 46.8)\newline{}(138.6, 45.0) & 3.83\newline{}3.6 & 3.715 & (48.6, 45)\newline{}(138.6, 45) & 3.6\newline{}3.6 & 3.6   & (48.6, 46.8)\newline{}(135, 43.2) & 3.83\newline{}1.27 & 2.55 \\
    \midrule
    20    & (48.5, 45)\newline{}(140.4, 46.8) & 3.5\newline{}5.53 & 4.515 & (48.6, 41.4)\newline{}(140.4, 48.6) & 4.45\newline{}5.92 & 5.185 & (48.6, 41.4)\newline{}(142.2, 46.8) & 4.45\newline{}7.30 & 5.875 \\
    \midrule
    10    & \textbf{(46.8, 46.8)\newline{}(142.2, 41.4)} & 2.22\newline{}7.58 & 4.9   & (46.8, 46.8)\newline{}(142.2, 43.2) & 2.22\newline{}7.30 & 4.76  & \textbf{(48.6, 48.6)\newline{}(140.4, 43.2)} & 4.45\newline{}5.53 & 4.99 \\
    \bottomrule
\end{tabular}%
\label{tab:2nerve}%
\end{table*}%

在此处输入图片描述

感谢您的帮助！

答案1

下面的示例显示了两种不同的可能建议。

在此处输入图片描述

我使用了该siunitx包来对齐数字与小数点分隔符。为了使表格变窄以适应文本宽度，我要么将列标题拆分为多行，要么引入缩写，这些缩写在表格下方描述。我还删除了所有垂直线，并包含一个水平线较少但有额外空白的变体。

\documentclass{IEEEtran}

\usepackage{array}
\usepackage{siunitx}
\usepackage{booktabs}
\usepackage{makecell}

\usepackage{etoolbox}% <-- for bold fonts
\newcommand{\ubold}{\fontseries{b}\selectfont}% <-- for bold fonts
\robustify\ubold% <-- for bold fonts

\begin{document}
\begin{table*}[htbp]
    \centering
    \caption{Caption}
\begin{tabular}{c
               *3{
                 r@{}
                 S[table-format=3.1]@{,~}
                 S[table-format=2.1]
                 @{}l
                 S[table-format=1.2]
                 S[table-format=1.3]
                  }
                }
    \toprule
    & \multicolumn{6}{c}{d=0.0005} & \multicolumn{6}{c}{d=0.001} & \multicolumn{6}{c}{d=0.002} \\
    \cmidrule(r){2-7} \cmidrule(lr){8-13} \cmidrule(l){14-19}
    {SNR} & \multicolumn{4}{c}{\makecell[cc]{Estimated\\ Direction}} & {\makecell[cc]{Adjusted\\ Angular\\ Distance}} & {\makecell[cc]{Mean Adjusted\\ Angular\\ Distance}} & \multicolumn{4}{c}{\makecell[cc]{Estimated\\ Direction}} & {\makecell[cc]{Adjusted\\ Angular\\ Distance}} & {\makecell[cc]{Mean Adjusted\\ Angular\\ Distance}} & \multicolumn{4}{c}{\makecell[cc]{Estimated\\ Direction}} & {\makecell[cc]{Adjusted\\ Angular\\ Distance}} & {\makecell[cc]{Mean Adjusted\\ Angular\\ Distance}} \\
    \midrule
    30    & (&48.6 & 46.8&) & 3.83 & 3.715 & (&48.6& 45&) & 3.6& 3.6   & (&48.6& 46.8&) & 3.83 & 2.55 \\
        & (&138.6& 45.0&) & 3.6 & 3.715 & (&138.6& 45&) & 3.6 & 3.6   & (&135& 43.2&) & 1.27 & 2.55 \\
    \midrule
    20    & (&48.5 & 45&) & 3.5  & 4.515 & (&48.6 & 41.4&)  & 4.45 & 5.185 & (&48.6 & 41.4&)  & 4.45  & 5.875 \\
        &  (&140.4 & 46.8&) &  5.53 & 4.515 &  (&140.4 & 48.6&) &  5.92 & 5.185 & (&142.2 & 46.8&) &  7.30 & 5.875 \\
    \midrule
     10   & (&46.8 & 46.8&)  & 2.22  & 4.9   & (&46.8 & 46.8&)  & 2.22  & 4.76  & (&48.6 & 48.6&)  & 4.45  & 4.99 \\
        &  (&142.2 & 41.4&) & 7.58 & 4.9   &  (&142.2 & 43.2&) &  7.30 & 4.76  &  (&140.4 & 43.2&) &  5.53 & 4.99 \\
    \bottomrule
\end{tabular}%
\label{tab:2nerve}%
\end{table*}%


    \begin{table*}[htbp]
    \centering
    \caption{Caption}
\begin{tabular}{c
               *3{
                 r@{}
                 S[detect-weight,table-format=3.1]@{,~}
                 S[detect-weight,table-format=2.1]
                 @{}l
                 S[table-format=1.2]
                 S[table-format=1.3]
                  }
                }
    \toprule
    & \multicolumn{6}{c}{d=0.0005} & \multicolumn{6}{c}{d=0.001} & \multicolumn{6}{c}{d=0.002} \\
    \cmidrule(r){2-7} \cmidrule(lr){8-13} \cmidrule(l){14-19}
    {SNR} & \multicolumn{4}{c}{ED} & {AAD} & {Mean AAD} & \multicolumn{4}{c}{ED} & {AAD} & {Mean AAD} &\multicolumn{4}{c}{ED} & {AAD} & {Mean AAD} \\
    \midrule
    30    & (&48.6 & 46.8&) & 3.83 & 3.715 & (&48.6& 45&) & 3.6& 3.6   & (&48.6& 46.8&) & 3.83 & 2.55 \\
        & (&138.6& 45.0&) & 3.6 & 3.715 & (&138.6& 45&) & 3.6 & 3.6   & (&135& 43.2&) & 1.27 & 2.55 \\[3pt]
    20    & (&48.5 & 45&) & 3.5  & 4.515 & (&48.6 & 41.4&)  & 4.45 & 5.185 & (&48.6 & 41.4&)  & 4.45  & 5.875 \\
        &  (&140.4 & 46.8&) &  5.53 & 4.515 &  (&140.4 & 48.6&) &  5.92 & 5.185 & (&142.2 & 46.8&) &  7.30 & 5.875 \\[3pt]
     10   & (& \ubold 46.8 &\ubold 46.8&)  & 2.22  & 4.9   & (& \ubold 46.8 & \ubold 46.8&)  & 2.22  & 4.76  & (& \ubold 48.6 & \ubold 48.6&)  & 4.45  & 4.99 \\
        &  (& \ubold 142.2 & \ubold 41.4&) & 7.58 & 4.9   &  (& \ubold 142.2 &  \ubold 43.2&) &  7.30 & 4.76  &  (& \ubold 140.4 & \ubold 43.2&) &  5.53 & 4.99 \\
    \midrule
    \multicolumn{19}{l}{ED = Estimated Direction,\quad AAD = Adjusted Angular Distance}\\
    \bottomrule
\end{tabular}%
\label{tab:2nerve}%
\end{table*}%


\end{document}

根据列中的要求，以下是第二张表的摘录，其中没有所有“平均 AAD”列。代码包含注释（<------）和与上述 MWE 相比的差异的简短描述。

在此处输入图片描述

\documentclass{IEEEtran}

\usepackage{array}
\usepackage{siunitx}
\usepackage{booktabs}

\usepackage{etoolbox}% <-- for bold fonts
\newcommand{\ubold}{\fontseries{b}\selectfont}% <-- for bold fonts
\robustify\ubold% <-- for bold fonts

\begin{document}


    \begin{table*}[htbp]
    \centering
    \caption{Caption}
\begin{tabular}{c
               *3{
                 r@{}
                 S[detect-weight,table-format=3.1]@{,~}
                 S[detect-weight,table-format=2.1]
                 @{}l
                 S[table-format=1.2]
                 %%%S[table-format=1.3] % <---- Mean AAD columns
                  }
                }
    \toprule
    & \multicolumn{5}{c}{d=0.0005} & \multicolumn{5}{c}{d=0.001} & \multicolumn{5}{c}{d=0.002} \\ %<------------ Changed from {6} to {5}
    \cmidrule(r){2-6} \cmidrule(lr){7-11} \cmidrule(l){12-16} %<------- Changed from {2-7} to {2-6} ...
    {SNR} & \multicolumn{4}{c}{ED} & {AAD} & \multicolumn{4}{c}{ED} & {AAD}  &\multicolumn{4}{c}{ED} & {AAD}  \\ %<------ Removed {Mean AAD}
    \midrule
    30    & (&48.6 & 46.8&) & 3.83  & (&48.6& 45&) & 3.6   & (&48.6& 46.8&) & 3.83  \\ % <---------- Removed corresponding values
        & (&138.6& 45.0&) & 3.6  & (&138.6& 45&) & 3.6    & (&135& 43.2&) & 1.27  \\[3pt] % <---------- Removed corresponding values
    \midrule
    \multicolumn{16}{l}{ED = Estimated Direction,\quad AAD = Adjusted Angular Distance}\\ %<------------ Changed from {6} to {5}
    \bottomrule
\end{tabular}%
\label{tab:2nerve}%
\end{table*}%


\end{document}

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