Show that ρ(X,Y)=H(X|Y)+H(Y|X) has the above properties,and is therefore a metric.Note tha
Show that ρ(X,Y)=H(X|Y)+H(Y|X) has the above properties,and is therefore a metric.Note that ρ(X,Y) is the number of bits needed for X and to communicate their values to each other.