You mean as in, if I have two points xi and xj, then (xi−xj)2=x2i+x2j−2xi⋅xj?
Guess so, but yeah, I just don’t tend to think of it immediately as a part of the distances rather than just vectors. It works though since you mentioned the diagonal elements are known.
You mean as in, if I have two points xi and xj, then (xi−xj)2=x2i+x2j−2xi⋅xj?
Guess so, but yeah, I just don’t tend to think of it immediately as a part of the distances rather than just vectors. It works though since you mentioned the diagonal elements are known.