# Entropy

![H(X)=-\sum\_{n=1}^{n} P(x\_i) \log{P(x\_i)}](https://i.upmath.me/svg/H\(X\)%3D-/sum_%7Bn%3D1%7D^%7Bn%7D%20P\(x_i\)%20/log%7BP\(x_i\)%7D)