1.简单矩阵
带（）的矩阵
\begin{pmatrix}
0 & 0 & 0\\
0 & 1 & 0\\
0 & 0 & 0\\
\end{pmatrix}
(
0
0
0
0
1
0
0
0
0
)
\begin{pmatrix} 0 & 0 & 0\\ 0 & 1 & 0\\ 0 & 0 & 0\\ \end{pmatrix}
⎝⎛000010000⎠⎞
带[]的矩阵
\begin{bmatrix}
0 & 0 & 0\\
0 & 1 & 0\\
0 & 0 & 0\\
\end{bmatrix}
[
0
0
0
0
1
0
0
0
0
]
\begin{bmatrix} 0 & 0 & 0\\ 0 & 1 & 0\\ 0 & 0 & 0\\ \end{bmatrix}
⎣⎡000010000⎦⎤
行列式
\begin{vmatrix}
0 & 0 & 0\\
0 & 1 & 0\\
0 & 0 & 0\\
\end{vmatrix}
∣
0
0
0
0
1
0
0
0
0
∣
\begin{vmatrix} 0 & 0 & 0\\ 0 & 1 & 0\\ 0 & 0 & 0\\ \end{vmatrix}
∣∣∣∣∣∣000010000∣∣∣∣∣∣
2.复杂矩阵
\begin{pmatrix}
x_{11} & x_{12} & \cdots & x_{1n}\\
x_{21} & x_{22} & \cdots & x_{2n}\\
\vdots & \vdots & \ddots & \vdots\\
x_{n1} & x_{n2} & \cdots & x_{nn}\\
\end{pmatrix}$$
(
x
11
x
12
⋯
x
1
n
x
21
x
22
⋯
x
2
n
⋮
⋮
⋱
⋮
x
n
1
x
n
2
⋯
x
n
n
)
\begin{pmatrix} x_{11} & x_{12} & \cdots & x_{1n}\\ x_{21} & x_{22} & \cdots & x_{2n}\\ \vdots & \vdots & \ddots & \vdots\\ x_{n1} & x_{n2} & \cdots & x_{nn}\\ \end{pmatrix}
⎝⎜⎜⎜⎛x11x21⋮xn1x12x22⋮xn2⋯⋯⋱⋯x1nx2n⋮xnn⎠⎟⎟⎟⎞
PS：
上文代码中\cdots
表示
⋯
\cdots
⋯
\ddots
表示
⋱
\ddots
⋱
\vdots
表示
⋮
\vdots
⋮
