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删除图形上方多余的空白

tag-icon • tag-icon graphics floats
删除图形上方多余的空白

我有一个由以下代码定义的图形：

    \begin{figure}[H]    
  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.1per4.png} 
    \caption{Ciclo de Período 4, $r = 3.1$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_N_1} 
  \end{subfigure}% 
  \hspace{\fill} 
  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.8310per6.png} 
    \caption{Ciclo de Período 6, $r = 3.831$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_N_4} 
  \end{subfigure}%

  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.507peri8.png} 
    \caption{Ciclo de Período 8, $r = 3.507$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_N_r_2} 
  \end{subfigure} 
  \hspace{\fill}
  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.74per10.png} 
    \caption{Ciclo de Período 10, $r = 3.74$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_N_r_6} 
  \end{subfigure} 

  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.559per16.png} 
    \caption{Ciclo de Período 16, $r = 3.559$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_N_8} 
  \end{subfigure}
  \hspace{\fill}
  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.5830per24.png} 
    \caption{Ciclo de Período 24, $r = 3.583$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_C_2} 
  \end{subfigure} 

   \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.538per32.png} 
    \caption{Ciclo de Período 32, $r = 3.568$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_C_5} 
  \end{subfigure}
  \hspace{\fill}
  \begin{subfigure}[b]{0.48\linewidth}
    \centering
    \includegraphics[height=0.25\textheight]{r3.634per36.png} 
    \caption{Ciclo de Período 36, $r = 3.634$ e iterações de $100$ a $150$.} 
    \label{fig:output of knock R1_C_7} 
  \end{subfigure} 

\caption{Knockdown of proposed interactions in region R1}
\label{fig:output of knock R1} 
\end{figure}

生成的文档上方有太多空间并且在页面底部被剪切，如下所示。

图像生成。

我怎样才能删除上面多余的空间，并使其不夹住下面的页面？

答案1

扩展大卫的精彩评论。

在此处输入图片描述

\documentclass{article}
\usepackage[demo]{graphicx} % demo: placeholder images
\usepackage{float} % [H]
\usepackage{subcaption} % subfigure
\usepackage{blindtext}

\begin{document}

\blindtext

% https://www.overleaf.com/learn/latex/How_to_Write_a_Thesis_in_LaTeX_(Part_3)%3A_Figures%2C_Subfigures_and_Tables
\begin{figure}[H]
\vspace{-15mm} % <-- Go crazy here!
     \centering
     \begin{subfigure}[b]{0.3\textwidth}
         \centering
         \includegraphics[width=\textwidth]{graph1}
         \caption{$y=x$}
         \label{fig:y equals x}
     \end{subfigure}
     \hfill
     \begin{subfigure}[b]{0.3\textwidth}
         \centering
         \includegraphics[width=\textwidth]{graph2}
         \caption{$y=3sinx$}
         \label{fig:three sin x}
     \end{subfigure}
     \hfill
     \begin{subfigure}[b]{0.3\textwidth}
         \centering
         \includegraphics[width=\textwidth]{graph3}
         \caption{$y=5/x$}
         \label{fig:five over x}
     \end{subfigure}
        \caption{Three simple graphs}
        \label{fig:three graphs}
\end{figure}

\blindtext

\end{document}

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