Le Dimanche 31 Mars 2002 21:15, vous avez �crit :
> Hi,
>
> I have a multiline equation. How can I cross-reference inside the
> equation, such as:
>
> x=y+5  by equation 1.2
> z=t+r
> ...
>
> I tried tusing a table, but then I couldn't have the display formula
> feature inside a table... Any help would be appreciated.

Try using directly the \ref command in the mathed, see example.

-- 
Renaud Michel

Il est si facile de convertir les autres. Il est si difficile de se 
convertir soi m�me.
Oscar Wilde
#LyX 1.1 created this file. For more info see http://www.lyx.org/
\lyxformat 218
\textclass article
\language french
\inputencoding auto
\fontscheme default
\graphics default
\paperfontsize default
\spacing single 
\papersize Default
\paperpackage a4
\use_geometry 0
\use_amsmath 0
\paperorientation portrait
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\defskip medskip
\quotes_language english
\quotes_times 2
\papercolumns 1
\papersides 1
\paperpagestyle default

\layout Standard


\begin_inset Formula \begin{equation}
\label{eq1}
y=x
\end{equation}

\end_inset 


\layout Standard


\begin_inset Formula \begin{equation}
\label{eq2}
z=y
\end{equation}

\end_inset 


\layout Standard


\begin_inset Formula \[
z=x\textrm{ by equation }\ref {eq1}\]

\end_inset 


\the_end

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