mathjax符号

mathjax公式

• \(\delta\): \delta

• \(\Delta\): \Delta

• \(\int\): \int

• \(\iint\): \iint

• \(\approx\): \approx

• \(\theta\): \theta

• \(\alpha\): \alpha

• \(\cdots\): \cdots

• \(\nabla\): \nabla

• \(\prod\): \prod

• \(\times\): \times

• \(a\over{b}\): a\over{b}

• \(\partial\): \partial

• \(\vec{a}\): \vec{a}

• \(1 \choose n\): 1 \choose n

• \(\omega\): \omega

• \(\hat{y}\): \hat{y}

• \(\overline{y}\): \overline{y}

• \(\Omega\): \Omega

• \(\xi\): \x

• \(\bar x\): \bar x

• \(\overline{abc}\): \overline{abc}

• \(\underline{abc}\): \underline{abc}

• 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}