[NTG-context] Align a compound inequality

Aditya Mahajan adityam at umich.edu
Sat Jan 21 08:05:16 CET 2006


<--- On Jan 20, David Arnold wrote --->

> Aditya,
>
> Thanks, and I am getting this to work, which is similar to the way the align 
> macros from the AMS work:

Keep in mind Hans comment in math-ext
    % amstex compatibility mode: (ugly)
I kinda agree. Look at the example in the source for using \NC \NC \NR 
instead of & .. \\. That gives you more flexibility in using labels 
and numbering for for specific equations.



> \placeformula[eq:twosolve]
> \startformula
> \startalign[m=3]
>   3-2x&>-1 &&\qor& 3-2x&<1\\
>    -2x&>-4 &&&      -2x&<-2\\
>      x&<2  &&&        x&>1
> \stopalign
> \stopformula
>
>
> On Jan 20, 2006, at 10:07 PM, Aditya Mahajan wrote:
>
>> <--- On Jan 20, David Arnold wrote --->
>> 
>>> All,
>>> 
>>> I have:
>>> 
>>> \placeformula[-]
>>> \startformula
>>> \startalign[m=2]
>>>  3-2x&<-1 & 3-2x&>1\\
>>>   -2x&<-4 &  -2x&>-2\\
>>>     x&>2  &    x&<1
>>> \stopalign
>>> \stopformula
>>> 
>>> And it works. However, I want to sqeeze the word "or" between the 
>>> inequalities on the first row so that it reads:
>>> 
>>> 3 - 2x < -1  or  3 - 2x > 1
>>> 
>>> How can I do this?
>> 
>> This is how I would do this,
>> 
>> \startformula \startalign[n=5,align={right,left,middle,right,left}]
>> 3 - 2x & < -1 & \quad \text{or} \quad & 3-2x & > 1 \\
>> -2x < & -4 & \text{or} & -2x &> -2 \\
>> \stopalign \stopformula
>> 
>> 
>> -- 
>> Aditya Mahajan, EECS Systems, University of Michigan
>> http://www.eecs.umich.edu/~adityam || Ph: 7342624008
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>
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-- 
Aditya Mahajan, EECS Systems, University of Michigan
http://www.eecs.umich.edu/~adityam || Ph: 7342624008


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