[texhax] \hline in align environment
Nina Mazumdar
nina.mazumdar at gmail.com
Wed Jan 7 05:32:46 CET 2009
On Wed, Jan 7, 2009 at 1:51 AM, Sebastian Canagaratna
<s-canagaratna at onu.edu> wrote:
> Thank you for your suggestion. There are, in fact, only two columns, and
> I was using three. It is interesting that all solutions that have been
> suggested are not latex solutions, since \phantom, \multispan, \rlap etc
> are used in tex, but not usually in latex. The closest I could come
> toward a purely latex solution was this:
>
> \begin {align*}
> 4x+ 6y -2z &= -4\\
> x -y +2z &= 9\\[-0.15in]
> \makebox[.8in]{\hrulefill}&\makebox[0.4in]{\hrulefill}\\
> 5x + 5y &= 5\\
> x + y &= 1
> \end {align*}
>
> The disadvantage with this is that one has to experimentally determine
> the lengths.
How about this?
\begin {align*}
4x+ 6y -2z &= -4\\
x -y +2z &= 9\\[-1.4 ex]
\cline{1-2}
5x + 5y &= 5\\
x + y &= 1
\end {align*}
Happy TeXing and best regards
--
Nina
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