Question

What is the proximity matrix between the two clusters AB and CD given the distance
matrix =
A B C D
A 0 1 3 2
B 1 0 2 3
C 3 2 0 1
D 2 3 1 0

Answer 1

The proximity matrix between the two clusters AB and CD given the distance matrix = A B C D

     B  1  0  2  3