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From: cnbr17@vaxa.strath.ac.uk
Newsgroups: comp.text.tex
Subject: Re: Equations in LaTeX question
Message-ID: <1991Apr12.101918.11369@vaxa.strath.ac.uk>
Date: 12 Apr 91 10:19:18 GMT
References: <31808@usc>
Organization: University of Strathclyde, Elec. Eng.
Lines: 40

In article <31808@usc>, ajayshah@alhena.usc.edu (Ajay Shah) writes:
> 
> I'd like to typeset equations like:
> 
>     z = (x+y)^2
>       = x^2 + 2xy + y^2
> 
> The \TeX book has a nice concept called \eqalign which lines up
> equations so the = comes vertically aligned.  It doesn't work in
> LaTeX.
> 
> Any ideas on how it's done?
> 
> Thanks,
> 	-ans.
> 
> -- 
> _______________________________________________________________________________
> Ajay Shah, (213)734-3930, ajayshah@usc.edu
>                              The more things change, the more they stay insane.
> _______________________________________________________________________________

I think you should use the LaTeX eqnarray environment (see LaTeX manual
section 3.3.5 pp 49/50):

\begin{eqnarray}
z & = & (x+y)^2\\
  & = & x^2 + 2xy + y^2
\end{eqnarray}

Hope this helps.
Peter.
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