On 3/15/2010 2:21 AM, Aditya Mahajan wrote:
On Mon, 15 Mar 2010, Mehdi Omidali wrote:
Hi,
Finally, after reading source code of math-ali.mkiv, I found the best way to
typeset my multiline equation as follows
\starttext
\placeformula
\startformula
\startalign[n=3]
This means that you must have three "columns" in each line
\NC x^2 + y^2 \NC = z^2 \NC \NR[eq:1]
\NC\NC = w^2 \NC + u^2\NC \text{(by \in{Equation}[eq:2])} \cr
This has 4 columns. You do not get an error message because you use \cr
instead of \NR. That also messes up the alignment of the next equation.
but I don't know what is going on here. Exactly, eq:2 and eq:3 has the same
output but they can not be interchanged. Can someone explain this code?
This is how I would do this.
\placeformula \startformula \startalign[n=3]
\NC x^2 + y^2 \NC = z^2 \NC
\NR[eq:1]
\NC \NC = w^2 + u^2 \NC \text{(by \in{Equation}[eq:2])} \NR
\NC \NC \quad + v^2 + r^2 \NC
\NR[eq:2]
\NC \NC \quad + v^2 + r^2 \NC
\NR[eq:3]
\NC \NC = v^2 + r^2 \NC
\NR[eq:4]
\stopalign \stopformula
Aditya
Thanks, but your output is not the same as mine. The comment "by
Equation 2" must be right aligned exactly where formula number is. Also
I don't like manual alignment like \quad. AMS-TEX provide commands for
automatic alignment. It would be nice if context supports that too.
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