博客发布测试

2级标题

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from bs4 import BeautifulSoup
def func(args):
    return args

Content (md partial supported)

未完待续…有空继续…

$$n\cdot m\cdot \lg b$$

Simple inline $a = b + c$.

$$\frac{\partial u}{\partial t}
= h^2 \left( \frac{\partial^2 u}{\partial x^2} +
\frac{\partial^2 u}{\partial y^2} +
\frac{\partial^2 u}{\partial z^2}\right)$$

$$J\left(\theta\right) = -\left[\frac{1}{m}\sum_{i=1}^{m}y^\left(i\right)log\left(h_{\theta}\left(x^{\left(i\right)}\right)\right)+ \left(1-y^{\left(i\right)}\right)log\left(1-h_{\theta}\left(x^{\left(i\right)}\right)\right)\right]+ \frac{\lambda}{2m}\sum_{j=1}^{n}\theta_{j}^{2}$$

$Size in feet^{2}$ (x)	$prize$ (y)
2104	460
1416	232
1534	315
852	178

graph LR; a11(("a1[0](i)")) --> a12(("a1[1](i)")); a11(("a1[0](i)")) --> a22(("a2[1](i)")); a11(("a1[0](i)")) --> a32(("a3[1](i)")); a21(("a2[0](i)")) --> a12(("a1[1](i)")); a21(("a2[0](i)")) --> a22(("a2[1](i)")); a21(("a2[0](i)")) --> a32(("a3[1](i)")); a31(("a3[0](i)")) --> a12(("a1[1](i)")); a31(("a3[0](i)")) --> a22(("a2[1](i)")); a31(("a3[0](i)")) --> a32(("a3[1](i)")); a12(("a1[1](i)")) --> y(("a1[2](i)")); a22(("a2[1](i)")) --> y(("a1[2](i)")); a32(("a3[1](i)")) --> y(("a1[2](i)")); y(("a1[2](i)")) --> yh((yhat));

graph TB; subgraph L0; a11(("a1[0](i)")) --- a21(("a2[0](i)")); a21(("a2[0](i)")) --- a31(("a3[0](i)")); end;