[NTG-context] Myway on using mathalign

WN wneimeijer01 at cs.com
Wed Apr 5 03:15:42 CEST 2006


Hi Aditya,

I read you MyWay document on using \startalign and I was
interested in section 4.2 numbering subformula's
Everything works fine as stated in your nice document.

One thing I want to do with a set of subformula's is
to reference the main formula but still subnumbering the equations
like
\starttext
\incrementnumber[formula]
\placesubformula
\startformula
\startalign
\NC div  \vec{E} \NC =  \epsilon_{0}^{-1} \rho  \NR[eqn1:A][a]
\NC rot  \vec{E} \NC =  0 \NR
\NC div  \vec{B} \NC =  0 \NR[eqn1:B][b]
\NC rot  \vec{B} \NC =  \mu_{0} \vec{j} \NR
\stopalign
\stopformula
See *\in[eqn1] *for the static Maxwell equations, where we are going to 
examine \in[eqn1:A] a bit further ....
\stoptext

Hope you can help
Thanks
Wim
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