* Sample of the day. More on align.
@ 1999-09-09 19:51 David Arnold
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From: David Arnold @ 1999-09-09 19:51 UTC (permalink / raw)
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All, dvi attached.
\documentclass[leqno]{amsldoc}
\usepackage{amsmath}
\begin{document}
You can put the tags on the left with the legno option.
You can align equations with automatic numbering each line.
\begin{align}
2x+3&=5\\
2x+3-3&=5-3\\
2x&=2\\
\frac{2x}2&=\frac22\\
x&=1
\end{align}
You can suppress numbering.
\begin{align*}
2x+3&=5\\
2x+3-3&=5-3\\
2x&=2\\
\frac{2x}2&=\frac22\\
x&=1
\end{align*}
You can have subnumbering.
\begin{subequations}
\begin{align}
2x+3&=5\\
2x+3-3&=5-3\\
2x&=2\\
\frac{2x}2&=\frac22\\
x&=1
\end{align}
\end{subequations}
You can interject text.
\begin{align*}
2x+3&=5\\
2x+3-3&=5-3 & \text{Subract 3 from both sides}\\
2x&=2 & \text{Simplify}\\
\frac{2x}2&=\frac22 & \text{Divide both sides by 2}\\
x&=1 & \text{Simplify}
\end{align*}
You can align more than one set of equations.
\begin{align*}
2x+3&=5 & r&=0\\
2x+3-3&=5-3 & 1+2\sin\theta&=0\\
2x&=2 & \sin\theta&=-\frac12\\
\frac{2x}2&=\frac22 & \theta&=\frac{7\pi}6\\
x&=1
\end{align*}
\end{document}
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1999-09-09 19:51 Sample of the day. More on align David Arnold
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