deletions | additions       diff --git a/Methods Description.tex b/Methods Description.tex  index cf1ae2d..b48c505 100644  --- a/Methods Description.tex  +++ b/Methods Description.tex 
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$\textbf{z}=(z_1,..., z_n)$ categorical vector, $z_i={1,2}$   $\textbf{x}=(x_1,...,x_n)$ vector of observations, where ($x_i|z_i=1) \sim N(\mu_{1}, \sigma^2_{1})$, ($x_i|z_i=2) \sim N(\mu_{2}, \sigma^2_{2})$ Expactation-Maximization method consists of expectation step (E-step) and maximization step (M-step).