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错误：使用 \beamer@modeinline 扫描时文件结束

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错误：使用 \beamer@modeinline 扫描时文件结束

使用以下代码，我始终收到一条错误提示：文件结束了 \beamer@modeinline 的使用。

此外，控制台输出包含以下内容：Runaway parameters? {\par \par \begin {document} \par \par \begin {frame} \begin {i\ETC. !File ends the use of \beamer@modeinline.

非常感谢您的帮助！MWE：

    \documentclass{beamer}
    \mode<presentation> {


    \usepackage{graphicx} 
    \usepackage{booktabs} 
    \usepackage{beamerthemesplit}
    \setbeamertemplate{footline}[frame number]

\begin{document}


\begin{frame}
\begin{itemize}
\item The usual necessary conditions for an optimum:
\begin{align}
$F_{K}(K_{t}^{d}$,$L_{t}^{d})&=r_{t}$\\
$F_{L}(K_{t}^{d}$,$L_{t}^{d})&=w_{t}$
\end{align}

\item[-] (These two equations do not determine $K_{t}^{d}$ and $L_{t}^{d}$ 
 from given $r_{t}$ and $w_{t}$; they only determine $\dfrac{{K_{t}^{d}}
 {L_{t}^{d}}}$
\item In equilibrium:
\begin{itemize} 
\item The marginal product of capital equal the rental price of capital.
\item The marginal product of labor equals the wage.
\end{itemize}
\begin{itemize}
\item (Note that $ F_{K}(K_{t}$,$L_{t}$) represents the first derivative of 
 the production function w.r.t. capital).
\end{itemize}
\end{frame}

\end{document}

答案1

作为马古拉他/她的评论中提到，有几个错误。

  • }序言中缺失
  • 环境align已处于数学模式
  • 你打开的itemize环境比关闭的多
  • 括号的随机分布（看看$ F_{K}(K_{t}$,$L_{t}$)——它应该()在数学环境之内还是之外？为什么要关闭并重新打开它？）
  • 无需使用graphicx投影机
  • 没tex问题，但是在您的文本中您打开了一个(从未关闭的...
\documentclass{beamer}
\mode<presentation> {

    %\usepackage{graphicx} 
    \usepackage{booktabs} 
    \usepackage{beamerthemesplit}
    \setbeamertemplate{footline}[frame number]

}

\begin{document}


\begin{frame}
    \begin{itemize}
        \item The usual necessary conditions for an optimum:
        \begin{align}
            F_{K}(K_{t}^{d},L_{t}^{d})&=r_{t}\\
            F_{L}(K_{t}^{d},L_{t}^{d})&=w_{t}
        \end{align}
        \item[-] (These two equations do not determine $K_{t}^{d}$ and $L_{t}^{d}$ from given $r_{t}$ and $w_{t}$; they only determine $\dfrac{K_{t}^{d}}{L_{t}^{d}}$
        \item In equilibrium:
        \begin{itemize} 
            \item The marginal product of capital equal the rental price of capital.
            \item The marginal product of labor equals the wage.
        \end{itemize}
%\begin{itemize}
        \item (Note that $F_{K}(K_{t},L_{t}$) represents the first derivative of the production function w.r.t. capital).
    \end{itemize}
\end{frame}

\end{document}

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