音乐播放器示例: 公式渲染示例: ∑k=1nkxxxxx\sum\limits_{k=1}^nk xxxxx k=1∑nkxxxxx minx∈X∑i=1nλid(xi,x)p=zzzzxxxxxx\min_{x\in X}\sum_{i=1}^{n}\lambda_i d(x_i,x)^p \overset{zzzz}{=} xxxxxx x∈Xmini=1∑nλid(xi,x)p=zzzzxxxxxx 方程组: {(5−λ)x1+5x2=05x1+(5−λ)x2=0 \begin{cases} (5 - \lambda)&x_1 + 5&x_2&=0 \\ 5&x_1 + (5 - \lambda)&x_2&=0 \\ \end{cases} {(5−λ)5x1+5x1+(5−λ)x2x2=0=0 矩阵: A=[112200] A= \left[ \begin{matrix} 1 & 1 \\ 2 & 2 \\ 0 & 0 \\ \end{matrix} \right] A=⎣⎡120120⎦⎤ 行列式: ∣100−1∣ \begin{vmatrix} 1 & 0 \\ 0 & -1 \\ \end{vmatrix} ∣∣∣∣100−1∣∣∣∣ 代码示例: python1import numpy as np