Slide 23
Slide 23 text
23
ΨεաఔճؼϞσϧ
طͷσʔληοτ ͕༩͑ΒΕ͍ͯΔͱ͖ɺ
ೖྗ ʹର͢Δग़ྗ Λ༧ଌ͍ͨ͠
= {(x1
, y
1
), (x2
, y
2
), …, (xN
, y
N
)}
x* y*
Ψεʹै͏͜ͱΛར༻͢Δ
y*
(
y
y*)
∼
(
0,
(
K k*
kT
*
k
**
))
k*
= (k(x*, x1
), k(x*, x2
), …, k(x*, xN
))T
k
**
= k(x*, x*)
ʹ͍ͭͯղ͘ͱɺΨεաఔͷ༧ଌ
y*
p(y*|x*, ) = (kT
*
K−1y, k
**
− kT
*
K−1k*
) ɾɾɾ(※)