mathjax cheat sheet

$$underset{a}{argmin}$$

$$overline{y}$$

$$ |_{a}^b,; big|a^b,; bigg|{a}^b $$

$$ y = left{ begin{array}{l}
first
second
end{array} right. $$

$$
begin{bmatrix}
1 & x & x^2
1 & y & y^2
1 & z & z^2
end{bmatrix}
$$

$$
left|begin{array}{}
mathbf{i} & mathbf{j} & mathbf{k}
a_1 & a_2 & a_3
b_1 & b_2 & b_3
end{array}right|
$$

$$ A cap B=varnothing $$

$$ A cup B=Omega $$

$$ approx $$

$$ frac{partial z}{partial x} $$

$$ equiv $$

$$ Leftrightarrow $$

MathJax

markdown语法之如何使用LaTeX语法编写数学公式