# [NTG-context] align text and formula

Jan Willem Flamma jwfregister at icloud.com
Thu Aug 25 15:12:03 CEST 2016

Hi Henri,

Thanks for your solution. This is indeed providing the functionality I was after.

I need to pick up a good Tex book one of these days to try and master those commands :-)

Regards,
Jan Willem Flamma

> On 25 aug. 2016, at 13:52, Henri Menke <henrimenke at gmail.com> wrote:
>
> Hi Jan,
>
> if I understood you correctly, this should produce what you are after.
>
> \starttext
>
> \startformula
>  E = mc^2
> \stopformula
>
> \startformula
>  \startalign[m=3,align={middle},distance=0pt plus 1 fil]
>    \NC \rlap{\text{Text1}}                        \NC\NC E=mc^2 \NR
>    \NC \rlap{\text{This is an explanation}}       \NC\NC E=\sqrt{p^2c^2+m^2c^4} \NR
>    \NC \rlap{\text{This is a longer explanation}} \NC\NC \left(\beta mc^2+c\left(\sum _{n=1}^3 \alpha_n p_n \right)\right) \psi(x,t) = i \hbar \frac{\partial \psi(x,t)}{\partial t} \NR
>  \stopalign
> \stopformula
>
> \stoptext
>
> The inner workings of this solution are quite messy.  You *have* to have the \NC\NC between text and formula and the formula must not contain any further alignment points; text has to be enclosed in \rlap.  As you can see it centers the formula unconditionally and just flows into the text if it doesn't fit.  Just don't do it like this.
>
> Cheers, Henri
>
> On 08/24/2016 05:38 PM, Jan Willem Flamma wrote:
>> Hi Otared,
>>
>> I apologize for not explaining it better.
>>
>> Maybe the below example will illustrate better what I’m trying to achieve.
>> - The first formula is perfectly aligned.
>> - The bottom three formulas do not line up with the top formula
>>
>> I’m trying to align all formulas regardless of the amount of text added to the left of the formula.
>> Of course I could add \qquad or \quad to try and manually align but basically I’m interested to know if a fool proof method exist that aligns all without using \\qquad or \quad
>>
>> \starttext
>>
>> % Mid-aligned formula
>> \startformula
>> E = mc^2
>> \stopformula
>>
>> \setupformulas[align=flushleft]
>> \startformula
>>        \startalign[n=3,align={left,middle}]
>>      	\NC \text{Text1}						\NC \qquad	\NC E = mc^2	\NR
>>      	\NC \text{This is an explanation}		\NC	\qquad	\NC  E = mc^2	\NR
>>      	\NC \text{This is a longer explanation}	\NC	\qquad	\NC E = mc^2    \NR
>>        \stopalign
>> \stopformula
>>
>> \stoptext
>>
>> Thanks
>> JW
>>
>>> On 24 aug. 2016, at 10:21, Jan Willem Flamma <jwfregister at icloud.com> wrote:
>>>
>>> Hi Otared,
>>>
>>> Thanks for the (very quick) reply.
>>>
>>> I’ve experiemented with that solution as well. However, the text can vary in length and this would required a lot of tweaking to try and get the formulas mid-aligned.
>>> I’m trying to find a fool proof solution that will get the formula mid-aligned in all cases (and hope it exists).
>>>
>>> In any case, thanks for your suggestion!
>>>
>>> Jan Willem
>>>
>>>> On 24 aug. 2016, at 10:10, Otared Kavian <otared at gmail.com> wrote:
>>>>
>>>> Hi Jan,
>>>>
>>>> You can specify a certain horizontal distance in the second column, as in the following:
>>>>
>>>> %%% begin example.tex
>>>> \starttext
>>>>
>>>> \setupformulas[align=flushleft]
>>>> \startformula
>>>> 	\startalign[n=2,align={left,middle}]
>>>>     	\NC \text{Text1}    \NC\qquad E = mc^2    \NR
>>>>     	\NC \text{Text2}    \NC\qquad E = mc^2    \NR
>>>>     	\NC \text{Text2}    \NC\hskip 3cm E = mc^2    \NR
>>>> 	\stopalign
>>>> \stopformula
>>>>
>>>> \stoptext
>>>> %%% end example.tex
>>>>
>>>>> On 24 Aug 2016, at 10:02, Jan Willem Flamma <jwfregister at icloud.com> wrote:
>>>>>
>>>>> Dear list,
>>>>>
>>>>> I would like to include text on the same line as a formula.
>>>>> The text needs to be left-aligned and the formula needs to be mid-aligned (as per normal).
>>>>>
>>>>> I’ve tried various solutions from the mathalign MyWay but have not succeeded to get the desired result sofar.
>>>>> Below a M-Not-WE. Clearly, the formula is not positioned correctly yet.
>>>>>
>>>>> Who can help me out?
>>>>>
>>>>> Regards,
>>>>> Jan Willem
>>>>>
>>>>>
>>>>> \starttext
>>>>>
>>>>> \setupformulas[align=flushleft]
>>>>> \startformula
>>>>> 	\startalign[n=2,align={left,middle}]
>>>>>     	\NC \text{Text1}    \NC E = mc^2    \NR
>>>>>     	\NC \text{Text2}    \NC E = mc^2    \NR
>>>>> 	\stopalign
>>>>> \stopformula
>>>>>
>>>>> \stoptext
>>>>>
>>>>> ___________________________________________________________________________________
>>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>>
>>>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
>>>>> archive  : http://foundry.supelec.fr/projects/contextrev/
>>>>> wiki     : http://contextgarden.net
>>>>> ___________________________________________________________________________________
>>>>
>>>> ___________________________________________________________________________________
>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>
>>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
>>>> archive  : http://foundry.supelec.fr/projects/contextrev/
>>>> wiki     : http://contextgarden.net
>>>> ___________________________________________________________________________________
>>>
>>> ___________________________________________________________________________________
>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>
>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
>>> archive  : http://foundry.supelec.fr/projects/contextrev/
>>> wiki     : http://contextgarden.net
>>> ___________________________________________________________________________________
>>
>> ___________________________________________________________________________________
>> If your question is of interest to others as well, please add an entry to the Wiki!
>>
>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
>> archive  : http://foundry.supelec.fr/projects/contextrev/
>> wiki     : http://contextgarden.net
>> ___________________________________________________________________________________
>>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________