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子方程：计数器太大，alphalph 不起作用

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子方程：计数器太大，alphalph 不起作用

我有一个紧急问题。我正在写一篇文档，我有方程式（但它们超过 26 个）。我收到错误“计数器太大”。我在其他主题中看到我需要使用alphalph包，但它不起作用，我仍然收到相同的错误。如果您能帮助我解决这个问题，我将不胜感激。我已经复制并粘贴了我的代码和我正在使用的所有包的最小示例：

\documentclass {article} 
\usepackage[T1,T5]{fontenc}
\usepackage{amsthm}
\usepackage{latexsym}
\usepackage[cmex10]{amsmath}
\usepackage{amsfonts,amssymb,amsthm}
\usepackage{graphicx}
\usepackage{psfrag,balance,arydshln}
\usepackage{rotating}
\usepackage{mempatch}
\usepackage{ifdraft}
\usepackage[cp1252]{inputenc}
\usepackage{acronym}
\usepackage{textcomp}   
\usepackage[swedish,english]{babel} 
\usepackage{cleveref}   
\usepackage{xr}     
\usepackage{nomencl}  
\usepackage{bibentry}
\usepackage{color}
\usepackage{url}    
\usepackage{bbold}  
\usepackage{paralist}
\usepackage{enumitem}
\usepackage{bm}     
\usepackage{pgfplots}   
\usepackage{epstopdf}   
\usepackage{nameref}    
\usepackage{dsfont}     
\usepackage{verbatim}
\usepackage{glossaries} 
\usepackage{gensymb}
\usepackage{algorithmic}
\usepackage{enumerate}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{epsfig}
\usepackage{cite}
\usepackage{hhline}
\usepackage{multirow}
\usepackage{framed}
\usepackage{lipsum}
\usepackage{enumerate}
\usepackage{graphicx}
\usepackage{subcaption}
\usepackage{capt-of}
\usepackage{makecell}
\usepackage{appendix}
\usepackage[none]{hyphenat}
\usepackage{pgfplots}   
\usepackage{pgfplotstable}  
\usepackage{mathtools}
\usepackage{tikz}       
\usepackage{xcolor}     
\usepackage{alphalph,etoolbox}
    \allowdisplaybreaks

\begin{document}
\section{section 1}
\begin{subequations}
\label{equation1}
\begin{align}
& a=b+c \\ 
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c 
\end{align}
\end{subequations}
\end{document}

谢谢

答案1

你的代码有点乱。有几个包重复了……

不管怎样，我很快就尝试用 alphalph 和 etoolbox 来修复。

尝试这个：

\documentclass {article}

\usepackage[T1,T5]{fontenc}
\usepackage[cp1252]{inputenc}%%%lemme convince you to use utf8 here...
\usepackage[swedish,english]{babel}


\usepackage{amsthm, latexsym, amsfonts,amssymb, psfrag,balance,arydshln, bbold, pgfplots, epstopdf, dsfont}
\usepackage[cmex10]{amsmath}
\usepackage{graphicx, rotating, mempatch, ifdraft, color, enumitem, verbatim, gensymb, enumerate, epsfig, hhline}
\usepackage{textcomp, acronym, cleveref, xr, nomencl, url, paralist, bm, glossaries, algorithmic, pgfplots}
\usepackage{bibentry, nameref, booktabs, cite, multirow, framed, lipsum}
\usepackage{subcaption, capt-of, makecell, appendix, pgfplotstable, mathtools, xcolor, alphalph,etoolbox}

\usepackage[none]{hyphenat}
\usepackage{tikz}

 %%    
 %% I don't remember from where i got this
 %% probably from Werner user
 %%
\usepackage{alphalph}
\usepackage{etoolbox}
\newcommand{\alphalphval}[1]{\alphalph{\value{#1}}}
\AtBeginDocument{%
  \AtBeginEnvironment{subequations}{%
    \let\alph\alphalphval%
  }
}
   %%
   %% Probable Werner's code.
   %% Who knows please provide link here.
   %%

\allowdisplaybreaks

\begin{document}

\section{section 1}


\begin{subequations}\label{equation1}
\begin{align}
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c
\end{align}
\end{subequations}

\end{document}

答案2

仅仅加载中该alphalph软件包还不够。您还需要在之后\begin{subequations}和之前提供以下说明\begin{align}：

\renewcommand{\theequation}{\theparentequation \alphalph{\value{equation}}}

完整的 MWE：

\documentclass{article} 
\usepackage[T1,T5]{fontenc}
\usepackage[cmex10]{amsmath}
\allowdisplaybreaks
\usepackage[cp1252]{inputenc} % why not 'utf8'?
\usepackage{alphalph}   

\begin{document}
\begin{subequations}
\label{equation1}
\renewcommand{\theequation}{\theparentequation\alphalph{\value{equation}}}
\begin{align}
& a=b+c \\ 
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c \\
& a=b+c 
\end{align}
\end{subequations}
\end{document}

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