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I got trouble when i use the package of nomencl

When the symbol in the first column is long, how can I increase the distance between two columns in my nomenclature by virtue of package nomencl?

As shown in the following two pictures, when I use the nomencl package, the align is undesired, how can I achieve the performance just like the second picture? Undesired Wanted

At last, what do \nomgroup{A}, \nomeqref{10} mean in the .nlo file?

\begin{thenomenclature}
\nomgroup{A}
\item [{$\mathbf{A}$}]
\begingroup 
Compact form of state coefficient matrix
\nomeqref {10}
\nompageref{28}
KS.J
  • 3
  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Mar 06 '22 at 05:15

1 Answers1

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You can enlarge the width for the "labels" using \setlength{\nomlabelwidth}{<lenght>}. The default is 1cm.

a

% !TeX TS-program = pdflatex

\documentclass{article}
\usepackage[nocfg]{nomencl}
\makenomenclature


\setlength{\nomlabelwidth}{2cm} % added <<<<<<<<<<<<<<


\begin{document}


\nomenclature{$\sigma\beta\gamma\delta\sigma\beta\gamma\delta$}{The total mass of angels per unit area}%
 \nomenclature{$m$}{The mass of one angel}


\printnomenclature


\end{document}

To avoid the guessing you can use

\settowidth{\nomlabelwidth}{<longest label>}

for this example

\settowidth{\nomlabelwidth}{$\sigma\beta\gamma\delta\sigma\beta\gamma\delta$}
Simon Dispa
  • 39,141
  • I really appreciate your help！ By the way, do you know some syntax in .nlo file or .nls file? I just cannot figured out what do \nomgroup{A}, \nomeqref{10}, \nompageref{28} mean, both inside and outside curly braces. – KS.J Mar 07 '22 at 01:26
  • @KS.J This site works best with one question at the time, to benefit other readers. I suggest that you ask another question with this topic, and most important, add a compilable code that reproduce the output you mention. – Simon Dispa Mar 07 '22 at 12:48
  • OK, thank you for reminding me. – KS.J Mar 08 '22 at 01:45