I have a document with many equations, but I only refer (~\ref) to some
of them. I want only those equations to which I refer to have numbers.
At first, I made all the equations into eqnarrays, and used the \nonumber
command on every equation that did not have a \label in it. (I did not
manage to use \nonumber in the equation environment).
I thought this might be good enough, since if I missed an equation, I
would have an undefined reference, or a numbered equation which i do not
refer to.
to my surprise, the following latex code:
\begin{eqnarray}1
\end{eqnarray}
\begin{eqnarray}2\label{nnm}\nonumber
\end{eqnarray}
\begin{eqnarray}3
\end{eqnarray}
equation~\ref{nnm}
produces three equations, the first and third are numbered by the numbers
(1), (2), and the reference at the bottom refers to equation 2, though i
meant it to refer to the second equation, which is not numbered at
all.
How can I have an error message when I refer to an unnumbered equation
instead?
I am using
[ladypine@granada ~/thesis]$ latex -v
TeX (Web2C 7.3.1) 3.14159
kpathsea version 3.3.1
in a latex 2.09 compatibility mode, and "go upgrade" is a perfectly fine
answer.
--
Orna. | http://tx.technion.ac.il/~agmon
A cat has claws at the end of its paws.
A sentence has a pause at the end of its clause.
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