* Numbering aligned equations
@ 2001-01-13 1:26 James Ramsey
2001-01-15 17:26 ` Hans Hagen
0 siblings, 1 reply; 2+ messages in thread
From: James Ramsey @ 2001-01-13 1:26 UTC (permalink / raw)
I know that in LaTeX, I can have some lines in a set
of aligned equations numbered and labelled for future
reference, and not others, e.g.
\begin{eqnarray}
\mathrm{Re} &=& \frac{\rho V_{n, avg} d_n}{\mu}
\nonumber\\
&=& \frac{\rho AV_{n,avg}d_n}{\mu A} \nonumber\\[2ex]
&=& \frac{4\dot{m}d_n}{\mu\pi d^2_n} \nonumber\\[2ex]
&=& \frac{4\dot{m}}{\pi\mu d_n} \label{ReynoldsNum}
\end{eqnarray}
In the above equation, only the last equation is
numbered since that's the equation that I'm referring
to in the rest of text (a lab report for a class I'm
taking), and the above lines are just showing the math
manipulations.
I tried to find the equivalent in ConTeXt, but no luck
so far. Is there an equivalent?
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Numbering aligned equations
2001-01-13 1:26 Numbering aligned equations James Ramsey
@ 2001-01-15 17:26 ` Hans Hagen
0 siblings, 0 replies; 2+ messages in thread
From: Hans Hagen @ 2001-01-15 17:26 UTC (permalink / raw)
Cc: ntg-context
At 05:26 PM 1/12/01 -0800, James Ramsey wrote:
>I know that in LaTeX, I can have some lines in a set
>of aligned equations numbered and labelled for future
>reference, and not others, e.g.
>
>\begin{eqnarray}
>\mathrm{Re} &=& \frac{\rho V_{n, avg} d_n}{\mu}
>\nonumber\\
>&=& \frac{\rho AV_{n,avg}d_n}{\mu A} \nonumber\\[2ex]
>&=& \frac{4\dot{m}d_n}{\mu\pi d^2_n} \nonumber\\[2ex]
>&=& \frac{4\dot{m}}{\pi\mu d_n} \label{ReynoldsNum}
>\end{eqnarray}
>
>In the above equation, only the last equation is
>numbered since that's the equation that I'm referring
>to in the rest of text (a lab report for a class I'm
>taking), and the above lines are just showing the math
>manipulations.
>
>I tried to find the equivalent in ConTeXt, but no luck
>so far. Is there an equivalent?
You can use the math module. More on that can be found in the faq [archive
of this list]. I suppose that others can provide details about the exact
syntax fo ryour example.
http://ml-archives.mini.pw.edu.pl/ntg-context.html
[search for math module]
Hans
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