How to Control Equation Numbering in an Equation Array?

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SUMMARY

The discussion focuses on controlling equation numbering in LaTeX's align environment. The user, KQ6UP, seeks a solution to display a single equation number for an entire equation array instead of individual numbers for each line. References to relevant Stack Exchange threads provide additional context and solutions for achieving this formatting. The key takeaway is the use of specific LaTeX commands to consolidate equation numbering effectively.

PREREQUISITES
  • Familiarity with LaTeX typesetting
  • Understanding of the align environment in LaTeX
  • Knowledge of LaTeX commands for equation numbering
  • Basic experience with mathematical notation in LaTeX
NEXT STEPS
  • Research the use of the \tag{} command in LaTeX for custom equation numbering
  • Learn about the \begin{align*} environment to suppress numbering
  • Explore the use of the \begin{equation} environment for single-number equations
  • Investigate the LaTeX package 'amsmath' for advanced equation formatting options
USEFUL FOR

Mathematicians, physicists, and anyone using LaTeX for document preparation who needs to control equation numbering in their work.

kq6up
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I need help with this equation array.

\begin{align}
\bra{+}\hat{H}\ket{+}&=\frac{1}{2}(\bra{e}+\bra{o})\hat{H}(\ket{e}+\ket{o})\\
&=\frac{1}{2}(\bra{e}\ket{e}E_e+\bra{e}\ket{o}E_o+\bra{o}\ket{e}E_e\\
&+\bra{o}\ket{o}E_o)\\
&=\frac{1}{2}(E_e+E_o).
\end{align}

I just want it to list one equation number, but it lists one for every line. How do I control that?

Also, I can see the unrendered code if I hover over the math, right click, and select ShowMathAs->Tex

Thanks,
KQ6UP
 
Physics news on Phys.org
Perfect, thanks.

KQ6UP
 

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