我想让我的九个 (2d) matlab 图在 latex 中显示为 3x3 子图，颜色条位于北侧。我不知道该怎么做，尤其是我将颜色条与图形分开保存为 .eps 图像。任何熟悉 latex 和 matlab 的人，请指导我完成这项工作。谢谢，
答案1
为了只有一张照片：
\begin{figure}
\centering
\includegraphics[width=1.00\textwidth]{Picture}
\caption{Alcune litografie di M.~Escher.}
\label{fig:subfig}
\end{figure}
为了两张或更多张图片：9 的情况（3x3）使用 subfig包装。
\begin{figure}
\centering
\subfloat[][\emph{caption pic. 1}.]
{\includegraphics[width=.3\textwidth]{name file pic1}} \quad
\subfloat[][\emph{caption pic. 2}.]
{\includegraphics[width=.3\textwidth]{name file pic2}} \quad
\subfloat[][\emph{caption pic. 3}.]
{\includegraphics[width=.3\textwidth]{name file pic3}} \\
\subfloat[][\emph{caption pic. 4}.]
{\includegraphics[width=.3\textwidth]{name file pic4}} \quad
\subfloat[][\emph{caption pic. 5}.]
{\includegraphics[width=.3\textwidth]{name file pic5}} \quad
\subfloat[][\emph{caption pic. 6}.]
{\includegraphics[width=.3\textwidth]{name file pic6}} \\
\subfloat[][\emph{caption pic. 7}.]
{\includegraphics[width=.3\textwidth]{name file pic7}} \quad
\subfloat[][\emph{caption pic. 8}.]
{\includegraphics[width=.3\textwidth]{name file pic8}} \quad
\subfloat[][\emph{caption pic. 9}.]
{\includegraphics[width=.3\textwidth]{name file pic9}}
\caption{Insert caption.}
\label{fig:subfig}
\end{figure}
对于矢量文件，不要写扩展名（.eps，.pdf，...）
编辑：
从 Matlab 直接到 Tikz
下载matlab2tikz自这里. 在 Matlab 上创建你的图形。例如：
rng(0,'twister');
X = randn(50,3);
figure
[H,AX,BigAx,P,PAx] = plotmatrix(X);
set(H(3),'Color','g','Marker','*');
set(P(3),'EdgeColor','k','FaceColor','g');
title(BigAx,'A Comparison of Data Sets');
你获得这张图片
matlab2tikz之后，您可以从命令窗口启动。您可以写入
matlab2tikz
或添加一些选项（阅读帮助）
matlab2tikz(...)
它使用可编译代码创建一个新的文件 .tex：
\documentclass[]{standalone}
\usepackage[utf8]{inputenc}
\usepackage{pgfplots}
\begin{document}
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\end{document}
结果是：
它并不完美，但您可以轻松修复一些问题。
答案2
该subcaption软件包提供了多种方法来实现这一点；其中一种选择是使用环境subfigure。
\usepackage{caption}
\usepackage{subcaption}
\begin{figure}
\centering
\begin{subfigure}[b]{0.3\textwidth}
\includegraphics[width=\textwidth]{image1}
\caption{Caption 1}
\label{fig:label1}
\end{subfigure}%
~ % spacing or \\
\begin{subfigure}[b]{0.3\textwidth}
\includegraphics[width=\textwidth]{image2}
\caption{Caption 2}
\label{fig:label2}
\end{subfigure}
\caption{Caption}\label{fig:label}
\end{figure}
另一种选择是使用表格等来布局您的图像，然后为\subcaption每个图像添加标题。