,FSBT w σΟʔϓϥʔχϯάͰΑ͘͏ػೳΛ͍ͨ͘͢͠ɺ 1ZUIPOͷϥούʔϥΠϒϥϦ w 5FOTPS'MPXʗ$/5,ʗ5IFBOPͳͲ w σϑΥϧτ5FOTPS'MPXΛόοΫΤϯυʹ͏ w ,FSBTͰ࡞ֶͨ͠शࡁϞσϧΛɺ5FOTPS'MPXͷֶशࡁ Ϟσϧʹม͢Δπʔϧɺ$PSF.-Ϟσϧʹม͢Δͨ Ίͷπʔϧ͕͋Δ
χϡʔϥϧωοτϫʔΫ w γφϓεͷ݁߹ʹΑͬͯωοτϫʔΫΛܗͨ͠ਓχϡʔ ϩϯʢϊʔυʣ͕ɺֶशʹΑͬͯ݁߹ڧʢॏΈʣΛม Խͤͯ͞ղܾΛߦ͏ػցֶशϞσϧ x1 x2 1 b w1 w2 h y y = h( n ∑ i=1 wi xi + b) ୯७ύʔηϓτϩϯ ׆ੑԽؔɺ εςοϓؔγάϞΠυ͕ؔॳΘΕ͍͕ͯͨɺ σΟʔϓϥʔχϯάͰ3F-6͕ओʹΘΕΔɻ h h(x) = { 1 (x > 0) 0 (otherwise) εςοϓؔ h(x) = max(x,0) 3F-6
w ϋϯζΦϯΛߦ͏ࡍͷܗͷϊʔτϒοΫ͕͋Γ·͢ͷͰɺ ͪ͜ΒΛར༻͢ΔͱศརͰ͢ɻ w IUUQTHJUIVCDPNLBTBDDIJGVMLFSBTDOOIBOET POCMPCNBTUFSDOO@FYFSDJTF@UFNQMBUFJQZOC w ಉࠝͷςΩετϒοΫ͝ࢀߟ͍ͩ͘͞ɻ w IUUQTHJUIVCDPNLBTBDDIJGVMLFSBTDOOIBOET POCMPCNBTUFSLFSBT@IBOETPO@UFYUCPPLJQZOC ϋϯζΦϯ