Some Jekyll tests

Jekyll kramdown + mathjax test (TeX2jax)

Math Inline

https://docs.mathjax.org/

TeX2jax ($<space><space>$, $$$$):

$ \displaystyle \sum\limits_{k=1}^n k = 1+2+ \dots +n = \frac{n(n+1)}{2} $ _ _ _ $ f’(x) = \cfrac{dy}{dx} =$100 $

… $ (ax^2 + bx + c = 0) $ … inline … $ \left(\begin{array}{c} n \newline r \end{array}\right) =$100 $ … $ = a b $ = $100 = 100$

\[\begin{equation} \int_0^\infty \frac{x^3}{e^x-1} dx = \frac{\pi^4}{15} \label{eq:sample} \end{equation}\] \[A_{m,n} = \begin{pmatrix} a_{1,1} & a_{1,2} & \cdots & a_{1,n} \\ a_{2,1} & a_{2,2} & \cdots & a_{2,n} \\ \vdots & \vdots & \ddots & \vdots \\ a_{m,1} & a_{m,2} & \cdots & a_{m,n} \end{pmatrix}\]

Async Mathjax Support at the end of the markdown file: {% include mathjs_tex %}.