我遇到这样一种情况，我正在 \enumerate 中编织一堆图形，而且图形很大，因此我希望每个图形都有一页。
\documentclass{article}
\begin{document}
\begin{enumerate}
\item Lets' try figure 1.
<<fig1, include=TRUE, fig.pos='htbp', fig.align='center', fig.cap='fig1', fig.height=5, fig.width=5>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\item Lets' try figure 2.
<<fig2, include=TRUE, fig.pos='htbp', fig.align='center', fig.cap='fig2'>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\item Lets' try figure 3.
<<fig3, include=TRUE, fig.pos='htb!', fig.align='center', fig.cap='fig3'>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\end{enumerate}
\end{document}
我可以使用 fig.width 和 fig.height 来控制每个图形的大小，但我想是否有一种优雅的方式可以让每页显示一个图形？也许可以按枚举或分块进行更改？谢谢。
答案1
一种方法是手动使用 \newpage 命令。如果是
\documentclass{article}
\begin{document}
\begin{enumerate}
\item Lets' try figure 1.
<<fig1, include=TRUE, fig.pos='htbp', fig.align='center', fig.cap='fig1', fig.height=5, fig.width=5>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\newpage
\item Lets' try figure 2.
<<fig2, include=TRUE, fig.pos='htbp', fig.align='center', fig.cap='fig2'>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\newpage
\item Lets' try figure 3.
<<fig3, include=TRUE, fig.pos='htb!', fig.align='center', fig.cap='fig3'>>=
set.seed(1213) # for reproducibility
x = cumsum(rnorm(100))
mean(x) # mean of x
plot(x, type = 'l') # Brownian motion
@
\end{enumerate}
\end{document}