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在同一页上放置多个图

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在同一页上放置多个图

我有 4 个图需要放在同一页上。有人知道怎么做吗？我需要在每个图下添加标题/标题（因为有数字，所以我不能将其放在图上方），图例可以适用于所有图。

以下是代码：

\begin{figure}
\begin{tikzpicture}
\begin{axis}[
    axis lines*=left,
    ybar,
    ymin=0,ymax=1,
    enlarge x limits=0.5,
    bar width=10pt,
    legend style={at={(0.5,-0.15)},
      anchor=north,legend columns=-1},
    ylabel={percentage, \%},
    symbolic x coords={P,R},
    xtick=data,
    major x tick style = transparent,
    ymajorgrids = true,
    tick align=outside,
    nodes near coords,
    every node near coord/.append style={anchor=mid west, rotate=90},  
 %   nodes near coords,
  %  nodes near coords align={horizontal},
    ]
\addplot [fill=red!50]coordinates {(P,0.4) (R,0.3)  };
\addplot [fill=red!50]coordinates {(P,0.5) (R,0.5)};
legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results P} 
\label{fig:3}
\end{figure}



\begin{figure}
\begin{tikzpicture}
\begin{axis}[
    axis lines*=left,
    ybar,
    ymin=0,ymax=1,
    enlarge x limits=0.5,
    bar width=10pt,
    legend style={at={(0.5,-0.15)},
      anchor=north,legend columns=-1},
    ylabel={percentage, \%},
    symbolic x coords={P,R},
    xtick=data,
    major x tick style = transparent,
    ymajorgrids = true,
    tick align=outside,
    nodes near coords,
    every node near coord/.append style={anchor=mid west, rotate=90},  
 %   nodes near coords,
  %  nodes near coords align={horizontal},
    ]
\addplot [fill=green!50]coordinates {(P,0.94) (R,0.5)  };
\addplot [fill=violet!50]coordinates {(P,0.6) (R,0.6)};
\legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results I} 
\label{fig:4}
\end{figure}


\begin{figure}
\begin{tikzpicture}
\begin{axis}[
    axis lines*=left,
    ybar,
    ymin=0,ymax=1,
    enlarge x limits=0.5,
    bar width=10pt,
    legend style={at={(0.5,-0.15)},
      anchor=north,legend columns=-1},
    ylabel={percentage, \%},
    symbolic x coords={P,R},
    xtick=data,
    major x tick style = transparent,
    ymajorgrids = true,
    tick align=outside,
    nodes near coords,
    every node near coord/.append style={anchor=mid west, rotate=90},  
 %   nodes near coords,
  %  nodes near coords align={horizontal},
    ]
\addplot [fill=green!50]coordinates {(P,0.5) (R,0.7)  };
\addplot [fill=violet!50]coordinates {(P,0.4) (R,0.9)};
legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results U} 
\label{fig:5}
\end{figure}


\begin{figure}
\begin{tikzpicture}
\begin{axis}[
    axis lines*=left,
    ybar,
    ymin=0,ymax=1,
    enlarge x limits=0.5,
    bar width=10pt,
    legend style={at={(0.5,-0.15)},
      anchor=north,legend columns=-1},
    ylabel={percentage, \%},
    symbolic x coords={P,R},
    xtick=data,
    major x tick style = transparent,
    ymajorgrids = true,
    tick align=outside,
    nodes near coords,
    every node near coord/.append style={anchor=mid west, rotate=90},  
 %   nodes near coords,
  %  nodes near coords align={horizontal},
    ]
\addplot [fill=green!50]coordinates {(P,0.1) (R,0.6)  };
\addplot [fill=green!50]coordinates {(P,0.2) (R,0.9)};
legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results X} 
\label{fig:6}
\end{figure}

我会很感激任何建议！我尝试了\matrix环境，但无法在每个情节中添加标题。为所有 4 个情节添加一个通用标题也不错。

答案1

这是使用该subcaption包的一个选项

截屏

我还擅自引入了一种名为的风格，mystyle它可以避免重复太多代码。

% arara: pdflatex
\documentclass{article}
\usepackage{pgfplots}
\usepackage{subcaption}

\pgfplotsset{
every axis/.append style={width=\textwidth},
mystyle/.style={
axis lines*=left,
    ybar,
    ymin=0,ymax=1,
    enlarge x limits=0.5,
    bar width=10pt,
    legend style={at={(0.5,-0.15)},
      anchor=north,legend columns=-1},
    ylabel={percentage, \%},
    symbolic x coords={P,R},
    xtick=data,
    major x tick style = transparent,
    ymajorgrids = true,
    tick align=outside,
    nodes near coords,
    every node near coord/.append style={anchor=mid west, rotate=90},  
}
}
\begin{document}

\begin{figure}
\begin{subfigure}[b]{.5\textwidth}
\begin{tikzpicture}
\begin{axis}[
    mystyle
    ]
\addplot [fill=red!50]coordinates {(P,0.4) (R,0.3)  };
\addplot [fill=red!50]coordinates {(P,0.5) (R,0.5)};
\legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results P} 
\label{fig:3}
\end{subfigure}%
\begin{subfigure}[b]{.5\textwidth}
\begin{tikzpicture}
\begin{axis}[
    mystyle,
 %   nodes near coords,
  %  nodes near coords align={horizontal},
    ]
\addplot [fill=green!50]coordinates {(P,0.94) (R,0.5)  };
\addplot [fill=violet!50]coordinates {(P,0.6) (R,0.6)};
\legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results I} 
\label{fig:4}
\end{subfigure}

\begin{subfigure}[b]{.5\textwidth}
\begin{tikzpicture}
\begin{axis}[
    mystyle
    ]
\addplot [fill=green!50]coordinates {(P,0.5) (R,0.7)  };
\addplot [fill=violet!50]coordinates {(P,0.4) (R,0.9)};
\legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results U} 
\label{fig:5}
\end{subfigure}%
\begin{subfigure}[b]{.5\textwidth}
\begin{tikzpicture}
\begin{axis}[
    mystyle
    ]
\addplot [fill=green!50]coordinates {(P,0.1) (R,0.6)  };
\addplot [fill=green!50]coordinates {(P,0.2) (R,0.9)};
\legend{min1,min2}
\end{axis}
\end{tikzpicture}
\caption{Results X} 
\label{fig:6}
\end{subfigure}
\caption{Global caption goes here}
\end{figure}
\end{document}

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