Slide 4
Slide 4 text
ΧʔωϧͱͳΜͧ
‣ ΧʔωϧؔʢLFSOFMGVODUJPOʣσʔλಉ࢜ͷྨࣅΛଌΔؔ
w ڭࢣ͋ΓֶशͷҝͷػցֶशΞϧΰϦζϜʹɺڭࢣσʔλͱͷۙ͞ͷใ͚ͩΛཔΓ
ʹֶशɾ༧ଌΛߦ͏ͷʢFHαϙʔτϕΫτϧϚγϯʣ
w ਓؒಉ༷ɿະͳͷʹରͯ͠ɺྨࣅ͕ߴ͍طใͰਪ
‣ ਖ਼֬ʹɺΧʔωϧؔɹɹɹɹɹɹɹɹɹɺ࣍ͷ݅Λຬͨؔ͢
w ରশੑɿ
w ਖ਼ఆੑɿ
k : × → ℝ+
∀x, y ∈ : k(x, y) = k(y, x)
∀n ∈ ℕ, x1
, …, xn
∈ : (Gij
) ≜ (k(xi
, xj
)) ∈ ℝn×n
(άϥϜߦྻʢ(SBNNBUSJY
(SBNJBOʣͱݺΕΔ
͕ਖ਼ఆߦྻ
͞Βʹݫີʹɺ͜Εʮਖ਼ఆΧʔωϧʯʮϚʔαʔΧʔ
ωϧʯͱݺΕΔಛघͳΧʔωϧؔͰ͋Δ͕ɺඇৗʹศརͳ
ͷͰҰൠతͳఆٛͱͳ͍ͬͯΔ