Table 1

Matrix representation and relationship matrix

Matrix representation



s1

s2

s3

s4

s5

g1

g2


A

1

1

1

0

0

-

-

B

1

1

1

0

0

-

-

C

0

1

1

0

0

0

0

D

0

0

1

0

0

1

0

E

0

0

0

0

0

-

-

F

0

0

0

1

0

1

0

G

0

0

0

1

1

0

1

H

0

0

0

1

1

0

1


Relationship matrix

s1

s2

s3

s4

s5

ci


g1

c

c

i

i

c

1

g2

c

c

c

c

s

0


bj

0

0

1

1

0


Coding of the example trees in Figure 1. Only inner splits are shown.

Kupczok BMC Evolutionary Biology 2011 11:205   doi:10.1186/1471-2148-11-205

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