Matrix centering and adding the number of the equation in the right

1,060

The key to get simple numbered equations is to use the equation environment.

In addition to the bmatrix approach, I also give a tabstackengine approach, which gives more flexibility on conveniently setting the baselineskip of rows, which helps when fractions like this are set.

\documentclass{article}
\usepackage{tabstackengine,amsmath}
\setstackgap{L}{1.5\baselineskip}
\setstacktabbedgap{2ex}
\begin{document}
\begin{equation}
\begin{bmatrix}
V_\alpha \\
V_\beta  \\
\end{bmatrix}
= \frac{2}{3}
\begin{bmatrix}
1 & \frac{-1}{2} & \frac{-1}{2}\\
0 & \frac{\sqrt3}{2} & \frac{-\sqrt3}{2} \\
\end{bmatrix}
\begin{bmatrix}
V_a \\
V_b  \\
V_c  \\
\end{bmatrix}
\end{equation}
\begin{equation}
\bracketMatrixstack{
V_\alpha \\
V_\beta
}
= \frac{2}{3}
\bracketMatrixstack{
1 & \frac{-1}{2} & \frac{-1}{2}\\
0 & \frac{\sqrt3}{2} & \frac{-\sqrt3}{2}
}
\bracketMatrixstack{
V_a \\
V_b  \\
V_c  
}
\end{equation}
\end{document}

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twimo
Author by

twimo

Updated on August 06, 2022

Comments

  • twimo
    twimo over 1 year

    In fact, I am writing a paper and I am having a lot of equations with their respectives numbers.

    So I want to center a matrix equation and write the number of the equation next to the matrix

    Here is the latex code :

    $
    \begin{bmatrix}
    V_\alpha \\
    V_\beta  \\
    \end{bmatrix}
    $
    = $\frac{2}{3}$
    $
    \begin{bmatrix}
    1 & \frac{-1}{2} & \frac{-1}{2}\\
    0 & \frac{\sqrt3}{2} & \frac{-\sqrt3}{2} \\
    \end{bmatrix}
    $
    $
    \begin{bmatrix}
    V_a \\
    V_b  \\
    V_c  \\
    \end{bmatrix}
    $
    
    • David Carlisle
      David Carlisle over 6 years
      remove all the $ and put the equation in \begin{equation}...\end{equation}` and it will be set as a displayed equation and numbered.
    • Steven B. Segletes
      Steven B. Segletes over 6 years
      \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} \begin{bmatrix} V_\alpha \\ V_\beta \\ \end{bmatrix} = \frac{2}{3} \begin{bmatrix} 1 & \frac{-1}{2} & \frac{-1}{2}\\ 0 & \frac{\sqrt3}{2} & \frac{-\sqrt3}{2} \\ \end{bmatrix} \begin{bmatrix} V_a \\ V_b \\ V_c \\ \end{bmatrix} \end{equation} \end{document}
    • twimo
      twimo over 6 years
      Thanks I had to add the usepackage{amssymb} to make this work