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enter image description here

I am trying to write those with $\begin{equation}$ and $\end{equation}$...but exactly this figure is not coming! How to write those in latex s.t. it is written in picture? Thanks!

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  • 4
    If you use an equation environment, you don't need $...$ around it. Can you show us what you have tried that does not exactly give this figure? – samcarter Jan 16 at 15:30
  • Those are coming but not exactly as in fig. i.e. line by line (as in the big.) – user454229 Jan 16 at 15:32
  • 4
    Then please show us what code you have so far. I'm sure we can help you to make them line by line. – samcarter Jan 16 at 15:34
  • 2
    Learn about align* environment. – manooooh Jan 16 at 15:34
  • This is something I’d use the split environment for: look it up in Section 3.4 of the manual of the amsmath package (texdoc amsmath). – GuM Jan 16 at 19:47
0

Try to use the align environment.

\documentclass{article}
\usepackage{amsmath}
\begin{document}

\begin{align}
    B' &=-\nabla \times E,\\
    E' &=\nabla \times B - 4\pi j
\end{align}
\end{document}

enter image description here

Change the equations for those you need.

If you don't want them labeled put an * right after align like: \begin{align*} math \end{align*}

0

You can do it by using the amsmath package or the mathtools. Here is a MWE

    \documentclass{article}

    \usepackage{mathtools}

    \begin{document}
\[
    \begin{aligned}[t]
    \phi^\lambda_\sigma A_t &= \sum_{\pi\in C_t} sgn(\pi)\phi^\lambda_\sigma\phi^\lambda_\pi \\
                 &= \sum_{\tau\in C_{\sigma t}} sgn(\sigma^{-1}\tau\sigma)\phi^\lambda_\sigma\phi^\lambda_{\sigma^{-1}\tau\sigma}\\
                 &= A_{\sigma t \phi^\lambda_\sigma}
    \end{aligned}
\]
    \end{document}

A similar answer can be found here

0

In the line of Yourgos's answer, and to be more specific, if you want:

  • no numbering at all, use either aligned inside equation* or align* (without equation).
  • a single equation number for this multiline display, use aligned in equation
  • one equation number per line , use align
  • equation numbers one some lines, use align but add \nonumber on the lines to left unnumbered
  • single equation number postfixed with a, b,c etc, enclose align environment inside subequation environment.

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