My post is an “intuitive introduction to the subject”, which is “no substitute for rigorously going through the formal definitions” :-) But yeah, it can get complicated, especially as the “distance measure” need not be a metric at all.
My post is an “intuitive introduction to the subject”, which is “no substitute for rigorously going through the formal definitions” :-) But yeah, it can get complicated, especially as the “distance measure” need not be a metric at all.