如何在论文中插入图片

[HuangJiaLian]

subfigure 和 subcaption不能同时使用:

% 写在LaTeX开头的位置
%\usepackage{subfigure}
\usepackage{subcaption}

...

\begin{figure*}
    \captionsetup[subfigure]{labelformat=empty}
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/neuron}
        \caption{($\text{a}_1$) Test subfigure 1}
    \end{subfigure}%
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/nn}
        \caption{($\text{a}_2$) Test subfigure 1}
    \end{subfigure}%

    \hfill

    \captionsetup[subfigure]{labelformat=empty}
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/neuron}
        \caption{(b1) Test subfigure 1}
    \end{subfigure}%
    \begin{subfigure}{.5\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/nn}
        \caption{(b2)Test subfigure 2}
    \end{subfigure}%
\caption{Two subfigures}    
\end{figure*}

\begin{figure}
    \captionsetup[subfigure]{labelformat=empty}
    \begin{subfigure}{.25\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/neuron}
        \caption{($\text{a}_1$) Test subfigure 1}
    \end{subfigure}%
    \begin{subfigure}{.25\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/nn}
        \caption{($\text{a}_2$) Test subfigure 1}
    \end{subfigure}%

    \hfill

    \captionsetup[subfigure]{labelformat=empty}
    \begin{subfigure}{.25\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/neuron}
        \caption{(b1) Test subfigure 1}
    \end{subfigure}%
    \begin{subfigure}{.25\textwidth}
        \centering
        \includegraphics[height=3cm]{tikz2eps/nn}
        \caption{(b2)Test subfigure 2}
    \end{subfigure}%
\caption{Two subfigures}    
\end{figure}