User:Lielei~enwiki/math

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Math
Greek symbols: $$\mu$$ $$\sigma$$ $$ \frac {0.1+0.2z^{-1}}{0.4+0.3z^{-1}+0.5z^{-2}}$$

$$ P(x) = \frac {1}{\sqrt{2\pi}\sigma} e^{-(x-\mu)^2/2\sigma^2} $$

$$h(n) = \delta (n) + a \delta(n-t_s) $$