🔰matrix
LaTeX ⟩ matrix
\begin{matrix} a & b \\ c & d \end{matrix} % matrix
\begin{bmatrix} a & b \\ c & d \end{bmatrix} % [ ... ]
\begin{vmatrix} a & b \\ c & d \end{vmatrix} % | ... |
\begin{pmatrix} a & b \\ c & d \end{pmatrix} % ( ... )
example
code
\begin{matrix} a & b \\ c & d \end{matrix}
\begin{bmatrix} a & b \\ c & d \end{bmatrix}
\begin{vmatrix} a & b \\ c & d \end{vmatrix}
\begin{pmatrix} a & b \\ c & d \end{pmatrix}
% zero matrix
\begin{bmatrix}
0 & 0 & 0 \\
0 & 0 & 0 \\
0 & 0 & 0
\end{bmatrix}
% identity matrix
\begin{bmatrix}
1 & 0 & 0 \\
0 & 1 & 0 \\
0 & 0 & 1
\end{bmatrix}
% diagonal matrix
\begin{bmatrix}
a_{1} & & \\
& \ddots & \\
& & a_{n}
\end{bmatrix}
% V matrix
\begin{Vmatrix}
a_{11} & a_{12} & a_{13} \\
a_{21} & a_{22} & a_{23} \\
a_{31} & a_{32} & a_{33}
\end{Vmatrix}
% B matrix
\begin{Bmatrix}
a_{11} & a_{12} & a_{13} \\
a_{21} & a_{22} & a_{23} \\
a_{31} & a_{32} & a_{33}
\end{Bmatrix}
👉 矩陣
% big matrix
\begin{bmatrix}
a_{11} & a_{12} & \cdots & a_{1n} \\
a_{21} & a_{22} & \cdots & a_{2n} \\
\vdots & \vdots & \ddots & \vdots \\
a_{m1} & a_{m2} & \cdots & a_{mn}
\end{bmatrix}
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