2421
3230
:
91
A (0,0) = A dX (0,0) = A dY (0,0) = 0
A (i , 0) = A dX (i , 0) = (i 1) , A dX (0, j) =
A (0, j) = A dY (0, j) = ( j 1) , A dY (i ,0) =
( 21
v=v1.vn M(v,w) w=w1wm
) (i,j vi
:
91
Neighbor Joining Algorithm
A
B
C
D
A
B
C
D

17
21
27

12
18

14

Neighbor Joining Algorithm
A
B
C
D
A
B
C
D
i
ui

17
21
27
A
(17+21+27)/2=32.5

12
18
B
(17+12+18)/2=23.5

14
C
(21+12+14)/2=23.5

D
(27+18+14)/2=29.5
Neighbor Joining