[OS X TeX] Item align

[David Arnold]

Michael,

Thanks. I went with Ross's strategy:

% Exercise #7
\begin{exercise}\label{ex:4-1-7}
\hspace{.5cm}\lower0.65\baselineskip\hbox{$\begin{aligned}
3x-3y&=12\\
x-y&=-3
\end{aligned}$}

I was able to use our perl code section to do something like this, where the second equation has the form y=slope2 * x+b.

my $howmuch=isinteger($slope2) ? "0.65" : "1.0";

Then code our question like this:

\shortqu=\hspace{.5cm}\lower#howmuch\baselineskip\hbox{$\begin{aligned}
#eqn1&=#C\\
y&=#eqn2
\end{aligned}$}
|@|

The result is not bad. See exercises 7-18 on page 4 of:

http://msenux.redwoods.edu/ElemAlgText/chapter4/chapter4.pdf

Thanks for your help.

David.





On Jun 21, 2011, at 4:28 PM, Michael Sharpe wrote:

> 
> On Jun 21, 2011, at 3:34 PM, David Arnold wrote:
> 
>> Michael,
>> 
>> Not bad, but in this case the baseline of the first equations winds up atop the baseline of the item number.
>> 
>> \documentclass{article}
>> \usepackage{amsmath}
>> \begin{document}
>> 
>> \begin{enumerate}
>> 
>> \item
>> \begin{minipage}{2in}\begin{align*}
>> 2x+3y&=4\\
>> y&=\frac23x-4
>> \end{align*}
>> \end{minipage}
>> \end{enumerate}
>> \end{document}
>> 
>> D.
>> 
>> On Jun 21, 2011, at 3:27 PM, Michael Sharpe wrote:
>> 
>>> 
>>> On Jun 21, 2011, at 3:12 PM, David Arnold wrote:
>>> 
>>>> \documentclass{article}
>>>> \usepackage{amsmath}
>>>> \begin{document}
>>>> 
>>>> \begin{enumerate}
>>>> 
>>>> \item
>>>> \begin{align*}
>>>> 2x+3y&=4\\
>>>> 3x-4y&=12 
>>>> \end{align*}
>>>> 
>>>> \end{enumerate}
>>>> \end{document}
>>> 
>>> You can put the align material inside a minipage, Eg,
>>> 
>>> \documentclass{article}
>>> \usepackage{amsmath}
>>> \begin{document}
>>> 
>>> \begin{enumerate}
>>> 
>>> \item
>>> \begin{minipage}{2in}\begin{align*}
>>> 2x+3y&=4\\
>>> 3x-4y&=12 
>>> \end{align*}
>>> \end{minipage}
>>> \end{enumerate}
>>> \end{document}
>>> 
> 
> I missed that---some manual vertical adjustment seems necessary. You can use \raisebox on the minipage:
> 
> \documentclass{article}
> \usepackage{amsmath}
> \begin{document}
> 
> \begin{enumerate}
> 
> \item
> \raisebox{-.8pt}{\begin{minipage}{2in}\begin{align*}
> 2x+3y&=4\\
> 3x-4y&=12 
> \end{align*}
> \end{minipage}}
> \end{enumerate}
> \end{document}
> 
> 
> ----------- Please Consult the Following Before Posting -----------
> TeX FAQ: http://www.tex.ac.uk/faq
> List Reminders and Etiquette: http://email.esm.psu.edu/mac-tex/
> List Archive: http://tug.org/pipermail/macostex-archives/
> TeX on Mac OS X Website: http://mactex-wiki.tug.org/
> List Info: http://email.esm.psu.edu/mailman/listinfo/macosx-tex
>