Ψεաఔ: ༧ଌ
w ͕؍ଌ͞Ε͍ͯΔঢ়ଶͰɺ ͷΛٻ
Ί͍ͨ
wؔͷͱԿ͔ҙͷ ʹରͯ͠ɺ
ͷಉ࣌ ͕Θ͔Ε ͷ͕Θ
͔ͬͨ͜ͱʹͳΔ
wଟมྔΨεͷ͖݅ʹΑͬͯٻΊΒΕΔ
w
ͱͯ͠ɺ
Ͱ͋Δͱ͖ɺ
ʹͳΔ
wະͷ ͷΛطͷ Ͱදݱ͢Δ͜ͱ͕Ͱ͖ͨ
X = {x1
, ⋯, xn
}T, y = {f(x1
), ⋯, f(xn
)}T f
X* = {x*
1
, …, x*
M
}T
y* = {f(x*
1
), ⋯, f(x*
M
)}T P[y*|X*, X, y] f
K(n, m) = k(xn
, xm
) k*
(n, m) = k(xn
, x*
m
) k**
(n, m) = k(x*
n
, x*
m
)
(
y
y*) ∼
(
0, (
K k*
kT
*
k**
))
P[y*|X*, X, y] = (kT
*
K−1y, k**
− kT
*
K−1k*)
y* X*, X, y