From: Stochastic Boolean networks: An efficient approach to modeling gene regulatory networks
x1x2
f 1 1
f 2 1
f 3 1
f 4 1
f 1 2
f 2 2
f 3 2
f 4 2
00
1
0
01
10
11
c j i
0.5
0.4
0.09
0.01