Hi, and thanks for taking a look.
So, I am trying to make a bunch of equations that are aligned, individually automatically numbered, and all of them neatly packaged into an arbitrary set of delimiters. As they say, a picture is worth a thousand words; so, please see the attached image for a (very) schematic example of what I am trying to achieve.
Any ideas on how to do this would be kindly appreciated.
p.s. solution found here.
LaTeX forum ⇒ Math & Science ⇒ (solved) Aligned equations, individually numbered, all inside one pair of delimiters? Topic is solved
(solved) Aligned equations, individually numbered, all inside one pair of delimiters?
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Last edited by Mrhnhrm on Thu Dec 05, 2019 8:17 am, edited 1 time in total.
- Ijon Tichy
- Posts: 392
- Joined: Mon Dec 24, 2018 10:12 am
Ijon Tichy wrote:→ https://latex.org/forum/viewtopic.php?p=93527#p93527
Many thanks. May I ask for some further explanation? I looked through the (rather concise) manual for the package cases, and I couldn't figure out how to customize the alignment. The expressions (left part of the cases environment) seem to be invariably left-aligned, and the explanations (right part of the environment) form another left-aligned column, with unnecessarily wide horizontal gap. My example renders like this:
\documentclass[]{article} \usepackage{cases} \begin{document} \begin{numcases}{} e \approx 2.72 \\ \pi \approx 3.14 \\ e\pi \approx 8.5397 \end{numcases} \begin{numcases}{} e & $ \approx 2.72 $ \\ \pi & $ \approx 3.14 $ \\ e\pi & $ \approx 8.5397 $ \end{numcases} \end{document}
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... and nailed it. Package empheq gets the job done. For example...
\documentclass[]{article} \usepackage{amsmath} \usepackage{empheq} \begin{document} \begin{subequations} \begin{empheq} [left=\empheqlbrace] {align} e & \approx 2.72 \\ \pi & \approx 3.14 \\ e\pi & \approx 8.5397 \end{empheq} \end{subequations} \end{document}
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