{p(y|x), x ∈ X , y ∈ Y } X = {0, ..., K − 1} Y =
{0, ..., L − 1} p
ij
= p(y = j|x = i} i ∈ X j ∈ Y
p
ij
p
00
p
01
··· p
0,L−1
p
10
p
11
··· p
1,L−1
p
K−1,0
p
K−1,1
··· p
K−1,L−1
.
X = Y = {0, 1}
p
10
= p
01
= p p
00
= p
11
= 1 −p
P =
·
1 − p p
p 1 − p
¸
.