It means "belongs to". For instance x∈A means that the element x ... ... <看更多>

A description of what it means to be a member of a set, including formal definitions of ∈ and ∉.This series covers the basics of set ... ... <看更多>

Mathematical Notation ; x=⟨x1,x2,…,xn⟩, \mathbf{x} = \langle x_{1}, x_{2}, \dots, x_{n}\rangle$ ( \bm from the bm pacakge would be better) ; x∈ ... ... <看更多>

[np.mean(m2[m==i]) for i in np.unique(m)]. ... <看更多>