Some examples of the use of KaTeX

Some examples of the use of KaTeX#


\( \begin{aligned} x_1 && - && 3x_2 && + && x_3 && = && 5 \\ 6x_1 && + && 4x_2 && - && x_3 && = && 8 \\ \end {aligned} \)

$
\begin{aligned}
 x_1 && - && 3x_2 && + && x_3 && = && 5 \\
6x_1 && + && 4x_2 && - && x_3 && = && 8 \\
\end  {aligned}
$

\( \left [ \begin{matrix*}[r] 1 & -3 & 1 \\ 6 & 4 & -1 \\ \end {matrix*} \left | \begin{matrix*}[r] 5 \\ 8 \\ \end {matrix*} \right. \right] \)

$
\left [
  \begin{matrix*}[r]
    1 & -3 &  1 \\
    6 &  4 & -1 \\
  \end  {matrix*}
  \left |
    \begin{matrix*}[r]
      5 \\
      8 \\
    \end  {matrix*}
  \right.
\right]
$

\( x_1 \begin{bmatrix*}[r] 1 \\ 6 \\ \end{bmatrix*} + x_2 \begin{bmatrix*}[r] -3 \\ 4 \\ \end{bmatrix*} + x_3 \begin{bmatrix*}[r] 1 \\ -1 \\ \end{bmatrix*} = \begin{bmatrix*}[r] 5 \\ 8 \\ \end{bmatrix*} \)

$
x_1 \begin{bmatrix*}[r]  1 \\  6 \\ \end{bmatrix*} +
x_2 \begin{bmatrix*}[r] -3 \\  4 \\ \end{bmatrix*} +
x_3 \begin{bmatrix*}[r]  1 \\ -1 \\ \end{bmatrix*} =
    \begin{bmatrix*}[r]  5 \\  8 \\ \end{bmatrix*}
$

\( \begin{bmatrix*}[r] 1 & -3 & 1 \\ 6 & 4 & -1 \\ \end {bmatrix*} \begin{bmatrix*}[r] x_1 \\ x_2 \\ x_3 \\ \end{bmatrix*} = \begin{bmatrix*}[r] 5 \\ 8 \\ \end{bmatrix*} \)

$
\begin{bmatrix*}[r]
1 & -3 &  1 \\
6 &  4 & -1 \\
\end  {bmatrix*}
\begin{bmatrix*}[r] x_1 \\ x_2 \\ x_3 \\ \end{bmatrix*} =
\begin{bmatrix*}[r] 5 \\ 8 \\ \end{bmatrix*}
$