LaTeX (横向) 增加(减少)两幅子图之间的间距

增加\hspace{10mm}

减少\hspace{-10mm}

 

\begin{figure*}[t]
	\centering
	\subfloat[]{\includegraphics[width=2.7in]{a.jpg}
		\label{Fig. 1(a)}}\hspace{10mm}
	\subfloat[]{\includegraphics[width=2.7in]{b.jpg}
		\label{Fig. 2(b)}}
	\caption{(a) Examples of experiment 1. (b) Examples of experiment 2.}
\end{figure*}