mathjax公式
- \(\delta\):
\delta - \(\Delta\):
\Delta - \(\int\):
\int - \(\iint\):
\iint - \(\approx\):
\approx - \(\theta\):
\theta - \(\alpha\):
\alpha - \(\cdots\):
\cdots - \(\prod\):
\prod - \(\times\):
\times - \(a\over{b}\):
a\over{b} - \(\partial\):
\partial - \(\vec{a}\):
\vec{a} - \(1 \choose n\):
1 \choose n - \(\omega\):
\omega - \(\Omega\):
\Omega - 矩阵
\[ \begin{bmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \\ \vdots & \vdots & \vdots \\ \end{bmatrix} \]
\begin{bmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
\vdots & \vdots & \vdots \\
\end{bmatrix}- 分段函数
\[ f(x) = \begin{cases} x + 1 & x \gt 1 \\ 2x & others \end{cases} \]
f(x) = \begin{cases}
x + 1 & x \gt 1 \\
2x & others
\end{cases}
