Re: [NTG-context] linking to equations with leqalignno?

2010-09-05 Thread Yury G. Kudryashov
Otared Kavian wrote:

 Hi Pau,
 
 \define[1]\eqref{(\in[#1])} % this definition is optional…
\definereferenceformat[ineq][left=(,right=)]
 It is more handy to use \type{\eqref}: as one sees in equation
\ineq[nohair]

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Re: [NTG-context] linking to equations with leqalignno?

2010-09-04 Thread Otared Kavian
Hi Pau,

You should not use \leqaligno, but rather setup the location of the formulas' 
numbers to the left and then use \eqalign: the following works fine:

%%-
\setupformulas[location=left]

\define[1]\eqref{(\in[#1])} % this definition is optional…

\starttext

\placeformula[nohair]
\startformula
\eqalign{
- M^{}_{\bullet}a^{2}_{\bullet} =  M^{}_{2} = -
\frac{J^{2}_{1}}{M^{}_{0}} \,, \cr
- M^{}_{\bullet}a^{3}_{\bullet} =  J^{}_{3} =
\frac{M^{}_{2}J^{}_{1}}{M^{}_{0}}\,. \cr
  }
\stopformula
As one may see from equation (\in[nohair]), we have\dots

It is more handy to use \type{\eqref}: as one sees in equation \eqref{nohair}, 
we have\dots
\stoptext
%%-
Consider also using the ConTeXt math alignment commands for which Aditya has 
written a very nice My Way:
http://dl.contextgarden.net/myway/mathalign.pdf

See also:
http://dl.contextgarden.net/myway/context-latex-math.pdf
Best regards: OK

On 4 sept. 2010, at 23:06, Pau wrote:

 Hello,
 
 I am a bit lost. I am using this format for an equation:
 
 -
 \placeformula[nohair]
 \startformula
 \leqalignno{
 - M^{}_{\bullet}a^{2}_{\bullet} =  M^{}_{2} = -
 \frac{J^{2}_{1}}{M^{}_{0}} \,, \cr
 - M^{}_{\bullet}a^{3}_{\bullet} =  J^{}_{3} =
 \frac{M^{}_{2}J^{}_{1}}{M^{}_{0}}\,. \cr
   }
 \stopformula
 -
 
 but then,using  \in[nohair] to link to the equation in the text of the
 document does not work.
 
 I get a [??]
 
 I think this is related to leqalignno, because \in[] works fine without it.
 
 What should I do in this case?
 
 thanks,
 
 Pau


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