宽表的标题不宽

宽表的标题不宽

我正在使用此代码来生成宽表,但顶部的标题仍然是两列格式。我使用了 \caption 包,但它影响了我所有的图形标题并且从未解决问题。

    \documentclass[prb,twocolumn,preprintnumbers,amsmath,amssymb]{revtex4}
    \usepackage{graphicx}
    \usepackage{booktabs}
    \usepackage{enumitem}
    \usepackage{tabularx}
    \usepackage{epsfig}
    \usepackage{amsmath,amscd}
    \usepackage{psfrag}
    \setlength\paperheight{11in}
    \usepackage[dvipdfm]{hyperref}
    \usepackage{amsmath,amscd}
    \usepackage{psfrag}


    \begin{table}[p]
    \caption{Plots of average power dissipated $\overline P$ vs the amplitude of second         harmonic $H_{ac2}$ for different values of the relative phase $\theta$, while $m=3$,  $\alpha=0.05$ and $H_{ac1}=2 H_1$.} 
    \centering
    \begin{tabularx}{\textwidth}{|X|X|X|}
    \multicolumn{3}{>{\centering\setlength\hsize{3\hsize} }X}{\boldmath$m=3$\unboldmath   ,       \boldmath$\alpha=0.05$\unboldmath , \boldmath$H_{ac1}=2H_1$\unboldmath}\\ \hline
    \includegraphics[height=1.7 in,width=2.3 in]{t21.eps} & \includegraphics[height=1.7 in,width=2.3 in]{t22.eps} & \includegraphics[height=1.7 in,width=2.3 in]{t23.eps}\\ \hline
    \includegraphics[height=1.7 in,width=2.3 in]{t24.eps} & \includegraphics[height=1.7 in,width=2.3 in]{t25.eps} & \includegraphics[height=1.7 in,width=2.3 in]{t26.eps}\\ \hline
    \end{tabularx}
    \end{table}

答案1

在双列文本中,默认情况下, table(和figure)环境仅覆盖一列。带星号的版本table*figure*覆盖两列,因此您需要

\begin{table*}
..
\end{table*}

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