Math & Science ⇒ Equation reuse

[barbarious]

Hello all,

I would like to reuse an already defined and labeled equation further away in my text.
Is there such an option which doesn't include retyping it from scratch?

Thx, B

[gmedina]

Hi,

you could "box" the equation to reuse it:

Code: Select all

\documentclass[12pt,a4paper]{article}
\usepackage{amsmath}

\begin{document}

%defining the box
\newsavebox\myeq
%filling the box
\savebox\myeq{\vbox{\begin{align*}
  a &= b\\
  &= c\\
  &= d\\
  &= e\\
  &= f
\end{align*}}}

%using the box
\usebox\myeq

%using the box
\usebox\myeq

%using the box
\usebox\myeq

\end{document}