有时，当我将 Scrartcl 文档的方向从纵向更改为横向并使用\twocolumn环境时，表格会丢失。例如，如果我想显示一些表格https://www.reed.edu/academic_support/pdfs/qskills/latexcheatsheet.pdf
\documentclass[DIV=14]{scrartcl}
\usepackage{amsmath, amssymb}
\usepackage{multirow}
\begin{document}
\KOMAoptions{paper=landscape}
\recalctypearea
\twocolumn
\section{Symbols (in \emph{math} mode)}
\subsection{The basics}
\begin{tabular}{lll}
\emph{description} & \emph{command} & \emph{output} \\
addition & \verb!+! & \(+ \) \\
subtraction & \verb!-! & \(- \) \\
plus or minus & \verb!\pm! & \(\pm \) \\
multiplication (times) & \verb!\times! & \(\times \) \\
multiplication (dot) & \verb!\cdot! & \(\cdot \) \\
division symbol & \verb!\div! & \(\div \) \\
division (slash) & \verb!/! & \(/\) \\
circle plus & \verb!\oplus! & \(\oplus \) \\
circle times & \verb!\otimes! & \(\otimes \) \\
equal & \verb!=! & \(=\) \\
not equal & \verb!\ne! & \(\ne \) \\
less than & \verb!<! & \(<\) \\
greater than & \verb!>! & \(>\) \\
less than or equal to & \verb!\le! & \(\le \) \\
greater than or equal to & \verb!\ge! & \(\ge \) \\
approximately equal to & \verb!\approx! & \(\approx \) \\
infinity & \verb!\infty! & \(\infty \) \\
dots & \verb!1,2,3,\ldots! & \(1,2,3,\ldots \) \\
dots & \verb!1+2+3+\cdots! & \(1+2+3+\cdots \) \\
fraction & \verb!\frac{a}{b}! & \(\frac{a}{b}\) \\
square root & \verb!\sqrt{x}! & \(\sqrt{x}\) \\
\(n\)th root & \verb!\sqrt[n]{x}! & \(\sqrt[n]{x}\) \\
exponentiation & \verb!a^b! & \(a^{b}\) \\
subscript & \verb!a_b! & \(a_{b}\) \\
absolute value & \verb!|x|! & \(|x|\) \\
natural log & \verb!\ln(x)! & \(\ln(x)\) \\
logarithms & \verb!\log_{a}b! & \(\log_{a}b\) \\
exponential function & \verb!e^x=\exp(x)! & \(e^{x}=\exp(x)\) \\
degree & \verb!\deg(f)! & \(\deg(f)\) \\
\end{tabular}
\subsection{Functions}
\begin{tabular}{lll}
\emph{description} & \emph{command} & \emph{output}\\
maps to & \verb!\to! & \(\to \) \\
composition & \verb!\circ! & \(\circ \) \\
piecewise & \verb!|x|=! & \multirow{5}{*}{\(\displaystyle |x|=\begin{cases}x&x\ge 0\\-x&x<0\end{cases}\)}\\
function &\verb|\begin{cases}| &\\
&\verb!x & x\ge 0\\! &\\
&\verb!-x & x<0! &\\
&\verb!\end{cases}! &
\end{tabular}
\subsection{Greek and Hebrew letters}
\begin{tabular}{llll}
\emph{command} & \emph{output} &\emph{command} & \emph{output}\\
\verb!\alpha! & \(\alpha \) &\verb!\tau! & \(\tau \) \\
\verb!\beta! & \(\beta \) &\verb!\theta! & \(\theta \) \\
\verb!\chi! & \(\chi \) &\verb!\upsilon! & \(\upsilon \) \\
\verb!\delta! & \(\delta \) &\verb!\xi! & \(\xi \) \\
\verb!\epsilon! & \(\epsilon \) &\verb!\zeta! & \(\zeta \) \\
\verb!\varepsilon! & \(\varepsilon \) &\verb!\Delta! & \(\Delta \) \\
\verb!\eta! & \(\eta \) &\verb!\Gamma! & \(\Gamma \) \\
\verb!\gamma! & \(\gamma \) &\verb!\Lambda! & \(\Lambda \) \\
\verb!\iota! & \(\iota \) &\verb!\Omega! & \(\Omega \) \\
\verb!\kappa! & \(\kappa \) &\verb!\Phi! & \(\Phi \) \\
\verb!\lambda! & \(\lambda \) &\verb!\Pi! & \(\Pi \) \\
\verb!\mu! & \(\mu \) &\verb!\Psi! & \(\Psi \) \\
\verb!\nu! & \(\nu \) &\verb!\Sigma! & \(\Sigma \) \\
\verb!\omega! & \(\omega \) &\verb!\Theta! & \(\Theta \) \\
\verb!\phi! & \(\phi \) &\verb!\Upsilon! & \(\Upsilon \) \\
\verb!\varphi! & \(\varphi \) &\verb!\Xi! & \(\Xi \) \\
\verb!\pi! & \(\pi \) &\verb!\aleph! & \(\aleph \) \\
\verb!\psi! & \(\psi \) &\verb!\beth! & \(\beth \) \\
\verb!\rho! & \(\rho \) &\verb!\daleth! & \(\daleth \) \\
\verb!\sigma! & \(\sigma \) &\verb!\gimel! & \(\gimel \)
\end{tabular}
\subsection{Set theory}
\begin{tabular}{lll}
\emph{description} & \emph{command} & \emph{output} \\
set brackets & \verb|\{1,2,3\}| & \( \{1,2,3\} \) \\
element of & \verb|\in| & \(\in \) \\
not an element of & \verb|\notin| & \(\not\in \) \\
subset of & \verb|\subset| & \(\subset \) \\
subset of & \verb|\subseteq| & \(\subseteq \) \\
not a subset of & \verb|\not\subset| & \(\not\subset \) \\
contains & \verb|\supset| & \(\supset \) \\
contains & \verb|\supseteq| & \(\supseteq \) \\
union & \verb|\cup| & \(\cup \) \\
intersection & \verb|\cap| & \(\cap \) \\
big union & \verb|\bigcup_{n=1}^{10}A_n| & \(\displaystyle \bigcup_{n=1}^{10}A_{n}\) \\
big intersection & \verb|\bigcap_{n=1}^{10}A_n| & \(\displaystyle \bigcap_{n=1}^{10}A_{n}\) \\
empty set & \verb|\emptyset| & \(\emptyset \) \\
power set & \verb|\mathcal{P}| & \(\mathcal{P} \) \\
minimum & \verb|\min| & \(\min \) \\
maximum & \verb|\max| & \(\max \) \\
supremum & \verb|\sup| & \(\sup \) \\
infimum & \verb|\inf| & \(\inf \) \\
limit superior & \verb|\limsup| & \(\limsup \) \\
limit inferior & \verb|\liminf| & \(\liminf \) \\
closure & \verb|\overline{A}| & \(\overline{A} \)
\end{tabular}
\KOMAoptions{paper=portrait}
\recalctypearea
\onecolumn
\end{document}
答案1
这是 KOMA 的一个错误：它使用\newpage双列模式仅切换到下一列而不是下一页。
下一版本将会解决这个问题。