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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงุญู†ุง ุงู„ูŠูˆู… ุงู† ุดุงุก ุงู„ู„ู‡ ุจุฏู†ุง
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ู†ูƒู…ู„ ุงู„ู…ูˆุถูˆุน ุงู„ู„ูŠ ูุชุญู†ุงู‡ ู‚ุจู„ ู‡ูŠูƒู‡ ููŠ ุงู„ู…ุญุงุถุฑุงุช
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ุงู„ู…ุงุถูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ artificial neural networks ุงู„
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supervised learning ุจุงุณุชุฎุฏุงู… ุงู„ artificial neural
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networks ูƒู†ุง ููŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ู…ุงุถูŠุฉ ุญูƒูŠู†ุง ุนู† ุงู„ู„ูŠ ู‡ูˆ
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ุงู„ Perceptron ูˆุดูˆูู†ุง ู‚ุงู„ูŠุฉ ุงู„ุนู…ู„ ุชุจุนุชู‡ูˆ ุขู„ูŠุฉ
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ุงู„ุชุนู„ู… ุงู„ู„ูŠ ู‡ูŠ ู…ู‚ุตูˆุฏุฉ ุจุงู„ุชุนุฏูŠู„ ุงู„ุฃูˆุฒุงู†ูŠ ูˆ ุจุนุฏูŠู†
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ูƒู…ุงู† ุงูŠุถุง ุงุทู„ุนู†ุง ุนู„ู‰ ุงู„ multi-layered networks ุงู„
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multi-layered networks ุงู„ู„ูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุดุจูƒุฉ ู…ู† ุงู„
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perceptrons ุงู„ุดุจูƒุฉ ู‡ุฐู‡ ู…ู‡ูŠูƒู„ุฉ ุนู„ู‰ ุฃุณุงุณ layers ูˆ ุงู„
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layers ูƒู„ layer ููŠู‡ุง ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ perceptrons
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ุจุชุบุฐูŠ ุงู„ู…ุฌู…ูˆุนุฉ ุงู„ู„ูŠ ุจุนุฏู‡ุง ุฃูˆ ุงู„ layer ุงู„ู„ูŠ ุจุนุฏู‡ุง
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ูˆุดูˆูู†ุง ุขู„ูŠุฉ ุงู„ุขู† ุงู„ุชุนู„ู… ููŠ ุงู„ multilayer networks
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ุตุญ ุขู„ูŠุฉ ุงู„ุชุนู„ู… ุงู„ู…ูุตูˆู„ุฉ ุจู‡ุง ู…ุฑุฉ ุฃุฎุฑู‰ ุงู„ู„ูŠ ู‡ูŠ ุขู„ูŠุฉ
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ุชุนุฏูŠู„ ุงู„ุฃูˆุฒุงู† ูˆุดูˆูู†ุง ูƒูŠู ุจุชุฎุชู„ู ุขู„ูŠุฉ ุชุนุฏูŠู„ ุงู„ุฃูˆุฒุงู†
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ููŠ ุงู„ output ูŠุฑุนู†ู‡ุง ููŠ ุงู„ hidden layer ุตุญ ุงู„ุขู†
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ุงุญู†ุง ุจุฏู†ุงู†ู„ู‚ูŠ ู†ุธุฑุฉ ุฃุฎูŠุฑุฉ ุนู„ู‰ ุงู„ multilayer
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networks ุจุนุฏูŠู† ุจู†ุญูƒูŠ ููŠ ุฌุฒุฆูŠุฉ ุตุบูŠุฑุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„
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accelerating ุงู„ู„ูŠ ู‡ูŠ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ู…ุงุถุญ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡
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ุงู„ู„ูŠ ู‡ูŠ accelerated learning ุงู„ู…ู‚ุตูˆุฏ ุจูŠู‡ุง ุชุณุฑูŠุน
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ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ุงุญู†ุง ูุงู‡ู…ูŠู† ุงู†ู‡ุง ุจุชุญุตู„
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ุนู„ู‰ ุดูƒู„ ุงูŠุด iterations iterations ู…ุธุจูˆุท ูˆุณู…ูŠู†ุง ูƒู„
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ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ iterations ุณู…ูŠู†ู‡ุง epo ุตุญุงู„ู€ Epoch ู‡ูˆ
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ุฏูุนุฉ ุฃูˆ short ู…ู† ุงู„ iterations ุนู…ู„ูŠุฉ ุงู„ุชุณุฑูŠุน ู‡ูˆ
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ุชู‚ู„ูŠู„ ุนุฏุฏ ุงู„ iterations ุจุฏู„ ู…ู† ุฃู† ุงู„ network ุชุฃุฎุฐ
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400 ุฏูˆุฑุฉ 400 iterations ู‚ุจู„ ุฃู† ุชุณุชู‚ุฑ ุงู„ุฃูˆุฒุงู†ู„ู…ุง
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ุจู†ู‚ูˆู„ ุงุญู†ุง ุจุฏู†ุง ู†ุณุฑุน ู„ู‚ู„ูŠู„ุฉ ุงู„ุชุนู„ู…ุŒ ู…ุนู†ุงู‡ ุฐู„ูƒ
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ุงู„ุฃุฑุจุนู…ูŠุฉ ู‡ุฏูˆู„ุฉ ุจุฏู†ุง ู†ุฎุชุตุฑู‡ู… ุฃูˆ ุจู†ุฌู„ู„ู‡ู… ุฅู„ู‰ ุชู„ุช
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ู…ูŠุฉุŒ ุฅู„ู‰ ู…ุชูŠู†ุŒ ุฅู„ู‰ ู…ูŠุฉ ุฑุจู…ุงุŒ ุจุฏูˆู† ุฃู† ู†ู†ุทู‚ุด ู…ู† ุฏู‚ุฉ
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ุงู„ุชุนู„ู…ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู…ู‚ุตูˆุฏ ุจู‡ุง ุงู„ู„ูŠ ู‡ูˆ
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accelerated learning ุงูˆ ู…ู…ูƒู† ู†ู‚ูˆู„ accelerating ุงู„
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learning ูŠุนู†ูŠ ุชุณุฑูŠุน ุงู„ุชุนู„ู… ููŠ ุงู„ multi neural
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networks ุจุนุฏ ู…ุง ู†ุฎู„ุต ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ุงู† ุดุงุก ุงู„ู„ู‡ ุจู†ุชุทู„ุน
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ุนู„ู‰ ุงู„ hub field network ูˆ ุงู„ BAM ุงู„ู„ูŠ ู‡ูŠ
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bidirectional associative memories ู‡ุฏูˆู„ุฉ ู†ูˆุนูŠู† ู…ู†
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ุงู„ artificial neural networksุงู„ู„ูŠ ุจูŠู†ุทูˆุฑ ุชุญุช ุฅุทุงุฑ
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ุงู„ู„ูŠ ู‡ูˆ supervised learning ุทูŠุจุŒ ุฅูŠุด ู‚ู„ู†ุง ุจุฏู†ุง
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ู†ุจุฏุฃ ููŠ ุงู„ุฃูˆู„ ุจุฅูŠุดุŸ ุจุฅู†ู†ุง ู†ู„ู‚ูŠ ู†ุธุฑุฉ ุฃุฎูŠุฑุฉ ุนู„ู‰ ุงู„
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multilayer neural networks ุงู„ู„ูŠ ูƒู†ุง ุญูƒูŠู†ุง ููŠู‡ุง ู…ู†
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ู‚ุจู„ ุจุฏู†ุง ู†ุชู‚ู„ ุนู„ู‰ ุทุฑูŠู‚ุฉ ุงู„ slide ุงู„ู„ูŠ ููŠู‡ุง ุงู„
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example ุงู„ู„ูŠ ุชุจุน ุชุชุฐูƒุฑูˆุง ุชุจุน ุฅูŠุดุŸ ุชุจุน ุชุฏุฑูŠุจ ุงู„
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network ุนู„ู‰ุงู„ู„ูŠ ู‡ูˆ ุงู„ XOR ุงู„ XOR gate ุงูˆ ุงู„ XOR
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function ุฐุงูƒุฑูŠู†
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ู‡ุฐุง ุงู„ู…ุซุงู„ ุงู…ุง ูƒู†ุง ุจู†ุญูƒูŠ ุงู†ู‡ ู‡ุงูŠ ุงู„ neural network
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ููŠ ุนู†ุฏู†ุง ุงู„ุชู„ุงุชุฉ nodes ู‡ุฏูˆู„ุฉ node ุฑู‚ู… ุชู„ุงุชุฉ ูˆ ุฑู‚ู…
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ุงุฑุจุนุฉ ู‡ุฏูˆู„ุฉ ุชุงุจุนูŠู† ู„ุฃู†ู‡ูŠ layer ุงู„ hidden layer
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ู…ุธุจูˆุท ุงู„ hidden layer ุตุญ ูˆ ุงู„ output layer ุงูŠุด
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ููŠู‡ุงููŠู‡ุง node ูˆุงุญุฏุฉ ุงู„ู„ูŠ ู‡ูŠ node number five ุตุญ
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ู„ุฃู† ุงู„ input ุจูŠุฏุฎู„ ุจ X1 ูˆ X2 ุนู„ู‰ node number one ูˆ
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node number two ู…ู„ุงุญุธูŠู† ู‡ุฏูˆู„ ุงู„ two nodes ุดูƒู„ู‡ู…
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ู…ุฑุจุน ู„ุชู…ูŠูŠุฒู‡ู… ุนู† ู…ู† ุนู† ุงู„ nodes ุงู„ุฃุฎุฑู‰ ู…ู…ูŠุฒูŠู† ุจุฅูŠุด
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ุฅูŠุด ุงู„ูุฑู‚ ู…ุง ุจูŠู†ู‡ู… ุฅู† ู‡ุฏูˆู„ ู…ุง ุจูŠุนู…ู„ูˆุด ุฃูŠ
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calculations ู…ุงุจุนู…ู„ูˆุด ุฃูŠ computation ุตุญ ู…ุฌุฑุฏ ุงู„ู„ูŠ
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ุจูŠุฏุฎู„ ุนู„ูŠู‡ู… ุจุชูˆุฒุน ุนู„ูŠ ู…ูŠู† ุนู„ูŠ ุจุนุฏู‡ู… okay ูŠุจู‚ู‰ ุงุญู†ุง
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ุนู…ู„ูŠุง ููŠ ุงู„ู…ุซุงู„ ู‡ุฐุง ูŠูˆู… ู…ุง ุจุฏู†ุง ู†ูŠุฌูŠ ู†ุญุณุจ ูˆ ู†ุนุฏ
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ุงู„ุฃูˆุฒุงู† ูˆ ู†ุนุฏ ุงู„ุฃูˆุฒุงู† ุจุณ ุชู„ุงุชุฉ ูˆ ุฃุฑุจุนุฉ ูˆ ุฎู…ุณุฉ
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ู…ุธุจูˆุท ุจู†ุจุฏุฃ ู…ู† ู…ูŠู† ู…ู† ุงู„ุฎู…ุณุฉ ููŠ ุงู„ุฃูˆู„ ุจุงู„ุธุจุท ู„ุฅู†
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ุงู„ุฎู…ุณุฉ ู‡ูŠ ุงู„ู„ูŠ ุนู†ุฏู‡ุง desired outputูˆ ู‡ูŠ ุงู„ู„ู‰ ุจุชู‚ุฏุฑ
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ุชุนุฑู ุงู„ error ุงูˆ ุชุญุณุจ ุงู„ error ูˆ ุจุนุฏู‡ุง ุจุชุทู„ุน ุงู„
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error ุจุชุนุฏู„ ุฃูˆุฒุงู†ู‡ุง ูˆ ุจุนุฏู‡ุง ุจุชุฑุญู„ ุงู„ error
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gradient ุงู„ู‰ ู…ูŠู† ุงู„ู‰ ุชู„ุงุชุฉ ูˆ ุฃุฑุจุนุฉ ุงู„ error
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gradient ุงู„ู„ู‰ ุฐูƒุฑู‡ ู‡ูˆ small delta ุจุชุฑุญู„ ุงู„ู‰ ุชู„ุงุชุฉ
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ูˆ ุงู„ู‰ ุฃุฑุจุนุฉ ุนุดุงู† ูƒู„ ูˆุงุญุฏุฉ ู…ู†ู‡ู… ุชู„ุงุชุฉ ูˆ ุฃุฑุจุนุฉ ุชุญุณุจ
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ุงู„ error ุชุจุนู‡ุง ุงู„ error gradient ุชุจุนู‡ุง ูŠุนู†ูŠุนุดุงู†
65
00:05:15,230 --> 00:05:18,730
ุชุนุฏู‘ู„ ุฃูˆุฒุงู†ู‡ุง ุจู†ุงุก ุนู„ูŠู‡ ู‡ุฐู‡ ุงู„ูƒู„ุงู… ู‡ูŠ total ุทุจุนุง
66
00:05:18,730 --> 00:05:22,710
ู‡ู†ุง ููŠ ุงู„ slide ู‡ุฐู‡ ุจูŠุนู‚ูŠู„ูƒ ุงู„ initial values ุชุจุน
67
00:05:22,710 --> 00:05:30,390
ุงู„ ุงูŠุด ุงู„ุฃูˆุฒุงู†
68
00:05:30,390 --> 00:05:34,230
ุงู„ threshold
69
00:05:34,230 --> 00:05:41,980
that theta ุตุญุŸ ู…ุตุจูˆุทุŸุจุนุฏ ุฐู„ูƒ ู‡ู†ุง ุจูŠุจุฏุฃ ุงู„ุญุณุจุฉ ุฃูˆู„
70
00:05:41,980 --> 00:05:46,260
ุดูŠุก ุจูŠุญุณุจ ุงู„ Y3 ุงู„ output ุงู„ู„ูŠ ุจุฏูŠ ูŠุทู„ุน ู…ู† Y3
71
00:05:46,260 --> 00:05:53,100
ู…ุธุจูˆุท ุจุณ ุงุญู†ุง ู‚ู„ู†ุง ุฃูˆู„ ุญุงุฌุฉ ุจุฏูŠ ุชู… ุชุนุฏูŠู„ ุงู„ุฃูˆุฒุงู†
72
00:05:53,100 --> 00:05:59,840
ููŠู‡ุง ุนู„ู‰ Y5 ุทุจ ู„ูŠุด ุจุฏุฃู†ุง ููŠ Y3 ูˆ Y4ุŸ ู„ุฃู† ูˆุตู„ ุงู„ Y5
73
00:06:01,600 --> 00:06:05,000
ุจุชุนุฑู ูƒูŠู ุชุญุณุจ ุงู„ output ุชุจุนู‡ุง ู„ุงุฒู… ูŠุฌูŠู‡ุง input ู…ู†
74
00:06:05,000 --> 00:06:09,120
ูˆูŠู† ุจุชุฌูŠู‡ุง ุงู„ input ู…ู† Y3 ูˆ Y4 ูŠุจู‚ู‰ ู„ุงุฒู… ุฃุญุณุจ Y3 ูˆ
75
00:06:09,120 --> 00:06:13,800
Y4 ู„ูŠุด ุจุฏู‡ู… ูŠุทู„ุนูˆุง ุนุดุงู† ู†ุณู„ู…ูˆุง ู„ Y5 ุนุดุงู† Y5 ุชุญุณุจ
76
00:06:13,800 --> 00:06:16,580
ุงู„ output ุชุจุนู‡ุง ุชุจุนู‡ุง ุฏู„ูˆู‚ุช ู„ุฅู† ุดูˆู ุฅูŠุด ููŠู‡ error
77
00:06:16,580 --> 00:06:22,180
ูˆ ุงุชุฑุญู„ ุชุงู†ูŠ ูŠุนู†ูŠ ุงุญู†ุง forward propagation
78
00:06:22,180 --> 00:06:26,140
of data ูˆ backward propagation of error
79
00:06:26,140 --> 00:06:31,070
information ุตุญุŸ okayู‡ูŠ ุงู„ุขู† ุจุนุฏ ู…ุง ุทู„ุนุช ูˆูŠุชู„ุช ูˆ ..
80
00:06:31,070 --> 00:06:34,050
ู…ู† ุญุณุจ ูˆูŠุชู„ุช ูˆ .. ุทุจุนุง ูˆูŠุชู„ุช ุงู„ activation
81
00:06:34,050 --> 00:06:37,870
function ุงุณุชุฎุฏู…ุช ุงู„ู„ูŠ ู‡ูŠ ุงู„ sigmoid ุงู„ sigmoid
82
00:06:37,870 --> 00:06:41,270
ุทุจุนุง ูŠูˆู… ู…ุง ูŠูƒูˆู† ููŠ ุนู†ุฏูƒ ู…ุซู„ุฉ ุฃูˆ ุงู…ุชุญุงู† ุฃูˆ ูƒุฏู‡ ุงู„
83
00:06:41,270 --> 00:06:44,830
formula ู‡ุชุจุฏูˆ ู…ูˆุงุทูŠุฉ ู„ูƒ ุงู†ุช ุจุณ ู…ุฌุฑุฏ ุงูŠุด ุจุชุงุฎุฏ
84
00:06:44,830 --> 00:06:48,110
ุงู„ุฃุฑู‚ุงู… ูˆ ุจุชุทู„ุน ุงู„ output ุงู„ output ู„ุฃู† ุงู„ sigmoid
85
00:06:48,110 --> 00:06:51,330
ุจุชุทู„ุน continuous values ูŠุนู†ูŠ ุงูŠุด ูŠุนู†ูŠ ุฃุฑู‚ุงู… ุนุดุฑูŠุฉ
86
00:06:51,330 --> 00:06:58,750
ู…ุด binary ุฒูŠ ู…ูŠู† ุฒูŠ ุงู„ stepูˆ ู„ูŠุดุŸ ุจุงู„ pulse
87
00:06:58,750 --> 00:07:04,010
function ุตุญุŸ okay ูุงู„ุงู† ู‡ุฐู‡ ุงู„ continuous values
88
00:07:04,010 --> 00:07:07,870
ุงูˆ ุงู„ real values ุงูˆ ุงู„ float values ุจุชุฏุฎุด ุนู„ู‰ ู…ูŠู†
89
00:07:07,870 --> 00:07:12,350
ุนู„ู‰ Y5 ุชู†ุถุฑุจ ููŠ ุงู„ุฃูˆุฒู† ุชุจุนู‡ุง ูˆ ุชุชุงุฎุฐ ู…ุน ุงู„
90
00:07:12,350 --> 00:07:16,750
threshold ุนุดุงู† ุชุทู„ุน ุงู„ output ุชุจุน Y5 ู…ู† ู‡ู†ุง ุงู„ุฃู†
91
00:07:16,750 --> 00:07:20,610
ู†ุจุฏุฃ ู†ุดูˆู ู„ูŠุด ุงู„ error ุงู„ error ุงู„ู„ูŠ ุงู†ุง ุจู†ุญุณุจ ู‡ูˆ
92
00:07:20,610 --> 00:07:24,610
ุนุจุงุฑุฉ ุนู† ุจุจุณุงุทุฉ ุงู„ difference ู…ุง ุจูŠู† ุงู„ desired ุงู„
93
00:07:24,610 --> 00:07:32,080
desired ู„ู…ุง ูƒุงู†ู„ู…ุง ูŠูƒูˆู† ุนู†ุฏูŠ ุงู†ุง ุงู„ X ูˆุงุญุฏ X ูˆุงุญุฏ
94
00:07:32,080 --> 00:07:36,240
ุงู†ุง ุจู‚ุดุฑ ู‡ู†ุง X ูˆุงุญุฏ ูˆ X ุงุชู†ูŠู† ุงู„ุงุชู†ูŠู† ุงู„ input ุงู„
95
00:07:36,240 --> 00:07:41,340
value ุชุจุนู‡ู… one one one ู„ุงุฒู… ุงู„ X core function
96
00:07:41,340 --> 00:07:42,120
ุชุนุทูŠู†ูŠ ุงูŠุด
97
00:07:50,560 --> 00:07:54,460
Y5 ูŠูุชุฑุถ ุฃู† ูŠูƒูˆู† Zero ุจุณ ู…ุงู‡ูˆ ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนู†ุง ู‡ู†ุง
98
00:07:54,460 --> 00:07:56,580
ููŠ ุงู„ calculation ู‡ุฐุง ูŠูุชุฑุถ ุฃู† ูŠูƒูˆู† Zero ุจุณ ู…ุงู‡ูˆ
99
00:07:56,580 --> 00:07:56,920
ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนู†ุง ู‡ู†ุง ููŠ ุงู„ calculation ู‡ุฐุง ูŠูุชุฑุถ ุฃู†
100
00:07:56,920 --> 00:07:56,960
ูŠูƒูˆู† Zero ุจุณ ู…ุงู‡ูˆ ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนู†ุง ู‡ู†ุง ููŠ ุงู„
101
00:07:56,960 --> 00:08:03,540
calculation ู‡ุฐุง ูŠูุชุฑุถ ุฃู† ูŠูƒูˆู† Zero ุจุณ
102
00:08:03,540 --> 00:08:05,000
ู…ุงู‡ูˆ ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนู†ุง ู‡ู†ุง ููŠ ุงู„ calculation ู‡ุฐุง
103
00:08:05,000 --> 00:08:06,320
ูŠูุชุฑุถ ุฃู† ูŠูƒูˆู† Zero ุจุณ ู…ุงู‡ูˆ ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนู†ุง ู‡ู†ุง ููŠ
104
00:08:07,180 --> 00:08:09,700
ุงู„ู€ small delta ุชุจุนู‡ ู‡ุงูŠ ุงู„ุฎู…ุณุฉ ุงู„ู„ูŠ ู‡ูŠ ุงูŠุด ุงุณู…ู‡ุง
105
00:08:09,700 --> 00:08:13,220
ุงู„ error gradient ุดูˆู ุฃู†ุง ูˆูŠู† ุจู‚ุดุฑ ู‡ู†ุง ุงู„ error
106
00:08:13,220 --> 00:08:18,200
gradient ุงุฐุง ุฐูƒุฑูˆู‡ุง ู‡ุฐุง ุงู„ู…ุตุทู„ุญ ุงู† ู‡ูˆ ุงู„ small
107
00:08:18,200 --> 00:08:23,070
deltaุงู„ aero gradient ู‡ุฐุง ู„ู…ุง ุจู†ุญุณุจ ุจุนุฏ ู‡ูŠูƒุฉ ุนู„ู‰
108
00:08:23,070 --> 00:08:27,630
ุฃุณุงุณู‡ ุชุชุนุฏู‰ ู„ู„ุฃูˆุฒุงู† ุงู„ุฃูˆุฒุงู† ุชุจุนูˆู† ุงู„ inputs ุงู„ู„ูŠ
109
00:08:27,630 --> 00:08:33,890
ุฏุงุฎู„ุฉ ุนู„ู‰ Y ุฎู…ุณุฉ ุตุญุŸ ู…ู† ู‡ู… ู‡ุฏูˆู„ ุงู„ุฃูˆุฒุงู† W ุชู„ุงุชุฉ
110
00:08:33,890 --> 00:08:38,190
ุฎู…ุณุฉ ูˆ W ุฃุฑุจุนุฉ ุฎู…ุณุฉ ู„ูŠุด ุฃุณู…ูŠู‡ู… ู‡ูŠูƒุฉ ู„ุฅู† ูˆุงุญุฏ ู…ู†ู‡ู…
111
00:08:38,190 --> 00:08:42,670
ุฌุงูŠ ู…ู† ุชู„ุงุชุฉ ุฅู„ู‰ ุฎู…ุณุฉ ูˆุงู„ุชุงู†ูŠ ุฌุงูŠ ู…ู† ุฃุฑุจุนุฉ ุฅู„ู‰
112
00:08:42,670 --> 00:08:47,470
ุฎู…ุณุฉ ุงูˆ ุงู„ุงุตุญ ุงู† ุงุญู†ุง ู†ู‚ูˆู„ ูˆุงุญุฏ ู…ู†ู‡ู… ู‡ูˆ ูˆุฒู† ุงู„
113
00:08:47,470 --> 00:08:51,610
input ุงู„ู„ูŠ ุฌุงูŠู…ู† ุซู„ุงุซุฉ ุฅู„ู‰ ุฎู…ุณุฉ ูˆุงู„ุชุงู†ูŠ ู‡ูˆ ูˆุฒู† ุงู„
114
00:08:51,610 --> 00:08:56,910
input ุงู„ู„ูŠ ุฌุงูŠ ู…ู† ุฃุฑุจุนุฉ ุฅู„ู‰ ุฎู…ุณุฉ ุตุญุŸ ุทุจุนุง ูุฃูˆู„ ุงุดูŠ
115
00:08:56,910 --> 00:09:00,370
ุนุดุงู† ู†ุนุฏู„ ุงู„ุฃูˆุฒู† ู†ุญุณุจ ุงู„ delta ุชุจุน ุงู„ูˆุฒู† ู…ู‚ุฏุงุฑ
116
00:09:00,370 --> 00:09:08,390
ุงู„ุชุบูŠุฑ ุจุนุฏูŠู† ุจู†ุถูŠู ุฐู„ูƒ ุนู„ู‰ ุงู„ current ุฃูˆ ุงู„ weight
117
00:09:08,390 --> 00:09:13,250
ุงู„ูˆุฒู† ุงู„ุญุงู„ูŠ ุนุดุงู† ูŠุทู„ุน ู…ุนุงู†ุง ูˆุฒู† ุฌุฏูŠุฏ ู†ูุณ ุงู„ุงุดูŠ
118
00:09:13,250 --> 00:09:18,000
ุจู†ุนู…ู„ ู„ู…ูŠู†ุŸุงู„ู€ Theta ุŒ ุงู„ู€ Threshold ู„ุงุญุธูˆุง ุฃู†
119
00:09:18,000 --> 00:09:20,900
ุนู…ู„ูŠ ุงู„ุชุนู„ูŠู„ ุงู„ุฃูˆุฒุงู† ุจุจุณุงุทุฉ ุดุฏูŠุฏุฉ ูŠุนู†ูŠ ุงู„ู€ Delta
120
00:09:20,900 --> 00:09:22,880
ูŠุจู‚ู‰ ุนุจุงุฑุฉ ุนู† ุงู„ู€ Alpha ุงู„ู„ูŠ ู‡ูˆ ุงู„ learning rate
121
00:09:22,880 --> 00:09:28,920
ู…ุถุฑูˆุจ ููŠ ุงู„ .. ู‚ูŠู…ุฉ ุงู„ input ุงู„ู„ูŠ ุจูŠุฎุด ุนุจุฑ ู‡ุฐุง
122
00:09:28,920 --> 00:09:33,740
ุงู„ูˆุฒู† ู…ุถุฑูˆุจ ููŠ ุงู„ Delta small Delta ุงู„ู„ูŠ ู‡ูŠ ุงู„
123
00:09:33,740 --> 00:09:38,840
Delta 5 ูู‡ูŠ Delta 5 ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ุชู„ุช ุญุณุจุงุช
124
00:09:40,110 --> 00:09:44,130
ุทูŠุจ ู‡ุฐุง ุงู„ูƒู„ุงู… ุงูŠุด ุฎู„ุตู†ุง ุฏู‡ ู‡ุฐุง ุงู„ูƒู„ุงู… ุจุณ ู„ุญุณุงุจ
125
00:09:44,130 --> 00:09:48,210
ุงู„ุฃูˆุฒุงู† ุชุจุนุฏ ู…ู† ุงู„ input ุงู„ู„ูŠ ุฏุงุฎู„ู‡ุง ุนู„ู‰ ู…ูŠู† ุนู„ู‰
126
00:09:48,210 --> 00:09:52,450
y5 ู„ุงุฒู… ู†ุนูŠุฏ ู†ูุณ ุงู„ุงุดูŠ ู„ู„ inputs ุงู„ู„ูŠ ุฏุงุฎู„ู‡ุง ุนู„ู‰
127
00:09:52,450 --> 00:10:01,630
y3 ูˆ y4 ุตุญุŸ okay ู‡ุฐุง ุงู„ูƒู„ุงู… ู†ูุณ ุงู„ู‚ุงู„ูŠู… ุจุณ ุทุจุนุง
128
00:10:01,630 --> 00:10:05,270
ู„ุงุฒู… ููŠ ุงู„ุฃูˆู„ ูƒู„ ูˆุงุญุฏุฉ ู…ู† y3 ูˆ y5 ุชุญุณุจ ุงู„ error
129
00:10:05,270 --> 00:10:09,520
gradient ุชุจุนู‡ุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ small delta ุชุจุนุชู‡ุงูˆุจุนุฏูŠู†
130
00:10:09,520 --> 00:10:15,220
ุนู„ูŠู‡ small delta ุชุฏุฎู„
131
00:10:15,220 --> 00:10:19,040
ููŠ ุญุณุงุจ ุงู„ุฃูˆุฒุงู† ุงู„ู„ูŠ ุฑุงูŠุญ ุนู„ู‰ ุชู„ุงุชุฉ ูˆุจุนุฏูŠู† small
132
00:10:19,040 --> 00:10:21,860
delta ุชุจุนุฏ ุฃุฑุจุนุฉ ุชุฏุฎู„ ููŠ ุญุณุงุจ ุงู„ุฃูˆุฒุงู† ุงู„ู„ูŠ ุฑุงูŠุญ
133
00:10:21,860 --> 00:10:29,800
ุนู„ู‰ ุฃุฑุจุนุฉ ุงู†ุง ุงู„ุขู† ุจุฏู„ ู…ุง ุงู†ูŠ ุทุจุนุง ู‡ู†ุง ุจุนุฏ ู‡ูŠูƒ
134
00:10:29,800 --> 00:10:35,020
ุงู„ุฃูˆุฒุงู† ุงู„ู„ูŠ ู‡ูˆ w ูˆุงุญุฏ ุนู„ู‰ ุชู„ุงุชุฉ ูˆุงุญุฏ ุนู„ู‰ ุฃุฑุจุนุฉ
135
00:10:35,020 --> 00:10:37,840
ุงุชู†ูŠู† ุนู„ู‰ ุชู„ุงุชุฉ ุงุชู†ูŠู† ุนู„ู‰ ุงุฑุจุนุฉ ุชู„ุงุชุฉ ุนู„ู‰ ุฎู…ุณุฉ
136
00:10:37,840 --> 00:10:44,500
ุชู„ุงุชุฉ ุนู„ู‰ ุงุฑุจุนุฉOkay ุจุฏู„ ุฃู†ุง ุงู„ุขู† ู†ู…ุฑ ุจู‡ุฐุง ุงู„ุญุณุงุจ
137
00:10:44,500 --> 00:10:48,900
ุฎุทูˆุฉ ุฎุทูˆุฉ ู„ุฃ ุฃู†ุง ุจุฏูŠ ุฃุฌูŠุจ ูˆ ุฃู‚ูˆู„ูƒ ุงู„ุขู† ุงุนุชุจุฑ ุงู†ุช
138
00:10:48,900 --> 00:10:53,340
ุจุฏูƒ ุชูƒู…ู„ ุงู„ู…ุซุงู„ ู‡ุฐุง ุงู„ iteration ุงู„ู„ูŠ ุจุนุช ู‡ุฐ ุงู„
139
00:10:53,340 --> 00:10:56,880
iteration ุงู„ุฃูˆู„ู‰ ูˆู„ุง ู„ุฃ ู„ุฅู† ู‡ุฐ ุงู„ iteration ุงู†ุจู†ุช
140
00:10:56,880 --> 00:11:01,760
ุนู„ู‰ ุงู„ initial ุงู„ initialish values ุชุจุน ุงู„ุฃูˆุฒุงู†
141
00:11:01,760 --> 00:11:07,610
ู…ุตุจูˆุท ุงู†ุช ุงู„ุขู† ุฎุฏ ู‡ุฐุงูˆ ุฎุฏ ุงู„ input ุงู„ู„ูŠ ุจุนุฏู‡ ู…ูŠู†
142
00:11:07,610 --> 00:11:09,750
ุงู„ input ุงู„ู„ูŠ ุจุนุฏู‡ ุงุฐุง ูƒุงู† ุงู„ input ุงู„ุฃูˆู„ุงู†ูŠ ูƒุงู†
143
00:11:09,750 --> 00:11:17,430
one one ุฎุฏ zero one x1 ุจ zero ูˆ x2 ุจ one ูˆ ุนูŠุฏ
144
00:11:17,430 --> 00:11:25,890
ุงู„ูƒุฑุฉ ู…ู† ุฌุฏูŠุฏ ุจุงู„ุฃูˆุฒุงู† ุงู„ู„ูŠ ู‡ุฐู‡ ุงู„ู„ูŠ ู†ุชุฌุช ู…ู† ู†ู‡ุงูŠุฉ
145
00:11:25,890 --> 00:11:28,390
ุงู„ iteration ุงู„ุฃูˆู„ู‰ ุงู†ุช ุงู„ุขู† ุจุฏูƒ ุชุญุณุจ ุงู„ iteration
146
00:11:28,390 --> 00:11:33,310
ุงู„ุชุงู†ูŠุฉ ุจุชู‚ุฏุฑ ุชุนู…ู„ ู‡ุฐุง ุงู„ูƒู„ุงู… ูˆู„ุง ู„ุง ุจุชู‚ุฏุฑ ุงุฐุง
147
00:11:33,310 --> 00:11:37,740
ุฃุนุทูŠู†ุงูƒ homework ุงู† ุดุงุก ุงู„ู„ู‡ ุจุชู‚ุฏุฑู„ุฃ ูุฎู„ุงุต ู‡ูŠ ุงู„ุงู†
148
00:11:37,740 --> 00:11:42,260
homework ู‡ูŠ ุงู„ุงู† homework ู…ุทู…ูˆุนุฉ ู…ู†ูƒ ุฃูŠุด ุชุณูˆูŠ ุชุนูŠุฏ
149
00:11:42,260 --> 00:11:47,140
ุงู„ูƒู„ุงู… ุฏู‡ ูƒู„ู‡ ู„ู„ iteration number two ุนุดุงู† ุชุทู„ุน
150
00:11:47,140 --> 00:11:52,140
ุฃูŠุด ููŠ ุงู„ุขุฎุฑ ุงู„ุฃูˆุฒุงู† ูŠุนู†ูŠ ููŠ ุงู„ุขุฎุฑ ุจุฏูƒ ุชุทู„ุน ุตูุญุฉ
151
00:11:52,140 --> 00:11:59,710
ุฒูŠ ู‡ูŠูƒ ููŠู‡ุง ุฃูˆุฒุงู† ุฌุฏูŠุฏุฉุงู„ู„ูŠ ุจุฏู‡ุง ุชุฌู ุนู†ุฏู‡ุง ุงู„ู„ูŠ ู‡ูˆ
152
00:11:59,710 --> 00:12:02,110
ุงู„ iteration ุงู„ุชุงู†ูŠ ููŠ ู†ู‡ุงูŠุฉ ุงู„ iteration ุงู„ุชุงู†ูŠ
153
00:12:02,110 --> 00:12:05,870
ุงูŠุด ู‡ุชูƒูˆู† ู‚ูŠู…ุฉ ุงู„ุฃูˆุฒุงู† ุงู„ุฌุฏูŠุฏุฉ ูˆ ุงู„ thresholds
154
00:12:05,870 --> 00:12:11,430
ุฌุฏูŠุฏุฉ okay ุทูŠุจ ู‡ูŠูƒ ุจู†ูƒูˆู† ุงุญู†ุง ุงู„ู‚ูŠู„ ุงู„ู†ุธุฑ ุงู„ุฃุฎูŠุฑ
155
00:12:11,430 --> 00:12:16,470
ุนู„ู‰ ุนู…ู„ูŠุฉ ุงู„ back propagation learning ูˆุงุถุญ ู„ูŠุด
156
00:12:16,470 --> 00:12:20,150
ุงุณู…ู‡ุง back propagation ู„ุฃู† ุงุญู†ุง ุจู†ุญู…ู„ ุงู„ error
157
00:12:20,150 --> 00:12:25,100
ู„ูˆุฑุงุนู„ู‰ ุงู„ layers ู…ู† ุงู„ outward ุนู„ู‰ ุงู„ hidden ุงู„
158
00:12:25,100 --> 00:12:28,600
hidden ุทุจุนุง ู…ู…ูƒู† ุชุจู‚ู‰ layer ูˆุงุญุฏุฉ ุงูˆ ุงูƒุชุฑ ู†ูŠู† ู…ู…ูƒู†
159
00:12:28,600 --> 00:12:33,880
two hidden layers ู…ุงุดูŠ
160
00:12:33,880 --> 00:12:37,240
ู‡ุงุฏ ุงู„ุงู† ุงุญู†ุง ุจุฏู†ุง ู†ุญูƒูŠ ููŠ ุงู„ acceleration ูƒูŠู
161
00:12:37,240 --> 00:12:44,540
ูŠู…ูƒู† ุชุณุฑูŠุน ุงู„ุชุณุฑูŠุน ุงู„ learning ู‡ุฐุง ุงู„ curve ู„ูˆ
162
00:12:44,540 --> 00:12:50,300
ู„ุงุญุธุช ุนู„ูŠู‡ ุงูŠุด ุจูŠู…ุซู„ ุนู„ุงู‚ุฉ ุงูŠุด ุจุงูŠุด ู‡ู†ุง epoู‚ูˆู„
163
00:12:50,300 --> 00:12:53,940
iterations ู„ุฃู† ุงู„ book ุงู„ูˆุงุญุฏ ู‡ูŠ ู…ุฌู…ูˆุนุฉ iterations
164
00:12:53,940 --> 00:12:57,300
ูุงู†ุง ู‡ู†ุง ู…ู† zero ุนุดุงู† ุฎู…ุณูŠู† ู…ูŠุฉ ู…ูŠุฉ ุฎู…ุณูŠู† ู…ูŠุชูŠู†
165
00:12:57,300 --> 00:13:02,580
ุงู‚ุตุฏ ุจูŠู‡ุง ุงูŠุด ู…ูŠุชูŠู† iterations ู…ูŠุฉ ุฎู…ุณูŠู†
166
00:13:02,580 --> 00:13:07,980
iterations ูƒู„ ู…ุง ุจุฒูŠุฏ ุนุฏุฏ ุงู„ iterations ูŠูุชุฑุถ ุงู†
167
00:13:07,980 --> 00:13:15,020
ุงู„ error ุงูŠุด ุจูŠุตูŠุฑ ููŠู‡ ุจูŠุฌู„ ุจูŠุชู†ู‚ุต ุงุญู†ุง ุงู„ุขู† ุงู„
168
00:13:15,020 --> 00:13:18,490
errorุฃุญูŠุงู†ุง ุงู„ network ุจุชุจู‚ู‰ ุงู„ output layer
169
00:13:18,490 --> 00:13:23,890
ุชุจุนุชู‡ุง ููŠู‡ุง ุงู„ node ูˆุงุญุฏุฉ ูู‡ูˆ error ูˆุงุญุฏ ู…ุตุจูˆุท
170
00:13:23,890 --> 00:13:28,410
ุฃุญูŠุงู†ุง ุจูŠุจู‚ู‰ ุงู„ layer ุงู„ุฃุฎูŠุฑุฉ ุจูŠุจู‚ู‰ ููŠู‡ุง ุนุฏ ุชุด
171
00:13:29,090 --> 00:13:32,310
notes ูˆุจุงู„ุชุงู„ูŠ ุงู„ error ููŠ ุนู†ุฏูŠ error ู„ู„ุฃูˆู„ู‰ error
172
00:13:32,310 --> 00:13:35,630
ู„ู„ุชุงู†ูŠุฉ ุนุฏุฉ errors ู…ุตู…ูˆู… ูุฅุญู†ุง ู„ูˆ ุฌูŠู†ุง ุจุจุณุงุทุฉ
173
00:13:35,630 --> 00:13:39,870
ุดุฏูŠุฏุฉ ุฑุจุนู†ุง ุงู„ errors ู‡ุฐู‡ ูˆุฌู…ุนู†ุง ู…ุฑุจุนุงุชู‡ู… ุจูŠุทู„ุน
174
00:13:39,870 --> 00:13:43,870
ุนู†ูŠ ู‡ู†ุง some square error some square error ูŠุนู†ูŠ
175
00:13:43,870 --> 00:13:52,170
ู…ู‚ุตูˆุฏ ุจู…ุฌู…ูˆุน ู…ุฑุจุนุงุช ุงู„ errors ุชุงุจุนุฉ ู…ู† ุชุงุจุนุฉ
176
00:13:52,170 --> 00:13:58,630
ุงู„ notesู‡ู†ุงูƒ ุฃูŠุถุง ุชุฏุฎู„ ููŠ ุงู„ุญุณุจุฉ ู‡ุงู„ูŠ ุงู„ errors
177
00:13:58,630 --> 00:14:02,670
ุชุจุน ุงู„ hidden layers ุงู„ hidden nodes ุจุฑุถู‡ ู…ู…ูƒู†
178
00:14:02,670 --> 00:14:05,790
ู†ูŠุฌูŠ ู†ู‚ูˆู„ ุฎู„ูŠู†ุง ู†ุฌู…ุน ูƒู„ ุงู„ nodes ุงู„ู„ูŠ ููŠ ุงู„
179
00:14:05,790 --> 00:14:10,410
network ุณูˆุงุก output nodes ูˆู„ุง hidden nodes ูˆ ู†ุฌู…ุน
180
00:14:10,410 --> 00:14:14,910
ุงู„ errors ุชุจุนู‡ ู…ู†ู‡ู… ุทุจุนุง ู†ุนุจูŠู‡ุง ููŠ ุงู„ุฃูˆู„ ูˆ ู†ุฌู…ุน
181
00:14:14,910 --> 00:14:19,540
ุจูŠุทู„ุน ู…ุนุงูŠุง some square errorsome square error ู‡ุฐุง
182
00:14:19,540 --> 00:14:24,480
ูŠุตู„ุญ ุฃู† ูŠูƒูˆู† ู…ุคุดุฑ ุนู„ู‰ ุฅูŠุด ุนู„ู‰ ุฃุฏุงุก ุงู„ุดุจูƒุฉ ุฃุฏุงุก ุงู„
183
00:14:24,480 --> 00:14:28,460
network ู‡ู„ ุชุนู„ู…ุช ุฃูˆ ู„ุง ุตุญ ู„ุฃู† ูƒู„ ู…ุง ุนู„ูŠู‡ ุงู„ error
184
00:14:28,460 --> 00:14:32,940
ู‡ุฐุง ู…ุนู†ุงุชู‡ ู‡ูŠ ู„ุณู‡ ู„ุณู‡
185
00:14:32,940 --> 00:14:37,360
ุจุชุฎุทุท ู„ุณู‡ ุจุชุฎุทุท ุตุญ ุทุจ ุงุญู†ุง ููŠ ุงู„ุฃูˆู„ ู„ูŠุด ุจู†ุฑุจู‘ู„
186
00:14:37,360 --> 00:14:41,040
ู†ุนู…ู„ ุชุฑุจูŠุน ุงู„ error ู„ูŠุด ู…ุง ู†ุงุฎุฏู‡ ุฒูŠ ู…ุง ู‡ูˆ ู‚ูˆู„ู†ุง
187
00:14:41,040 --> 00:14:44,340
ู‡ุฐุง ู„ุฃู† ุจุนุถ ุงู„ errors ุจุชุจู‚ู‰ ุจุงู„ู…ูˆุฌุจ ูˆุจุนุถ ุจุงู„ุณุงู„ุจ
188
00:14:44,340 --> 00:14:47,560
ู„ูˆ ุฌู…ุนู†ุงู‡ู… ู‡ู… ู…ู…ูƒู† ูŠุตูุฑูˆุง ุจุนุถู‡ู…
189
00:14:50,980 --> 00:14:54,800
ู…ุฑุจุนู‡ู… ุนู„ู‰ ุงู†ู‡ ู…ุคุดุฑ ุตุญ ู„ูƒู† ู„ู…ุง ู†ุจู‚ู‰ ุฑุจุน ุงู„ errors
190
00:14:54,800 --> 00:14:59,200
ุงู„ู…ูˆุฌุจ ูˆุงู„ุณุงู„ุจ ุจูŠุตูŠุฑ ู…ูˆุฌุจ ูˆ ู„ุง ู„ุฃ ุงู„ู…ุฑุจุนุงุช ุจูŠุตูŠุฑ
191
00:14:59,200 --> 00:15:03,900
ู…ูˆุฌุจ ูู†ู‚ุฏุฑ ู†ู†ุธุฑ ุงู„ูŠุด ุงู„ูŠ ู…ุฌู…ูˆุน ุงู„ู…ุฑุจุนุงุช ุนู„ู‰ ุงู†ู‡
192
00:15:03,900 --> 00:15:08,660
ู…ุคุดุฑ ุนู„ู‰ ุงูŠุด ู…ุคุดุฑ
193
00:15:08,660 --> 00:15:15,620
ุนู„ู‰ ุงูŠุด ู…ุคุดุฑ ุนู„ู‰ ุงู„ุชุนู„ู… ุฌุฏ ุฌูŠุดูŠ ุชุนู„ู…ุชูู‡ุฐุง ุงู„ุฎุท
194
00:15:15,620 --> 00:15:20,460
ุงู„ุฃุฒุฑู‚ ุฃุฒุฑู‚ ุจุทุงู„ุฉ ุฃุฒุฑู‚ ุฃุฒุฑู‚ ู„ู…ุง ุจูŠู†ุฒู„ ู‡ูŠูƒุง ู…ุนู†ุงุชู‡
195
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ุฅูŠุด ู…ุน ุงุณุชู…ุฑุงุฑ ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ุฌุงุนุฏ ุฅูŠุด ุงู„ error ุจุฌู„
196
00:15:28,320 --> 00:15:33,740
ุตุญ ู…ุน ุงุณุชู…ุฑุงุฑ ุชุดุบูŠู„ ุงู„ iterations ุงู„ error ุฌุงุนุฏ
197
00:15:33,740 --> 00:15:38,940
ุจุฌู„ ูุฅุญู†ุง ุงู„ุขู† ู„ู…ุง ุจู‚ูˆู„ accelerating ู…ุนู†ุงุชู‡ ุจุฏู†ุง
198
00:15:38,940 --> 00:15:45,170
ูŠู†ุฒู„ ู„ู„ุตูุฑ ุงู„ุตูุฑู‡ูˆ ุจุนุฏุฏ ุงูŠุด ุงู‚ู„ ู…ู† ุงู„ iterations
199
00:15:45,170 --> 00:15:49,670
ูุจู†ุชู‚ู„
200
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ุงู„ุงู† ุงู„ู‰ ู‡ุฐุง ุงู„ slide
201
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ู‡ู†ุงOkay ู‡ูŠ ุจุฏุงูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ุญุงูƒูŠ ุนู† ุงู„
202
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accelerated learning ุงุนุชุจุฑู‡ุง accelerating learning
203
00:16:04,770 --> 00:16:10,190
ูŠุนู†ูŠ ุงู† ู‡ูˆ ุงุญู†ุง ู†ุณุฑุน ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ูููŠ ุนู†ุฏู†ุง ุนุฏุฉ
204
00:16:10,190 --> 00:16:14,350
techniques ุงูˆ ุนุฏุฉ ุฎุทูˆุงุช ุงูˆ ุฅุฌุฑุงุกุงุช ู…ู…ูƒู† ุชู†ุนู…ู„
205
00:16:14,350 --> 00:16:17,650
ุชุบูŠูŠุฑ ุจุณูŠุทุฉ ุชุบูŠูŠุฑุงุช ุจุณูŠุทุฉ ุนู„ู‰ ุชุตู…ูŠู… ุงู„ neural
206
00:16:17,650 --> 00:16:21,410
network ุนุณุงุณ ุงู†ู‡ ุชุฎู„ูŠ ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ุฃุณุฑุน ุดูˆูŠุฉ ูˆุงุญุฏุฉ
207
00:16:21,410 --> 00:16:27,410
ู…ู†ู‡ุง ุงู„ู„ูŠ ู‡ูŠ ุงู†ู‡ ุงู„ outputูŠุนู†ูŠ ุงู„ .. ุงู„ .. ุงู„
208
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sigmoid function ุงู„ู„ูŠ ุนู„ู‰ .. ุงู„ู„ูŠ ู‡ูŠ ุงู„ activation
209
00:16:30,010 --> 00:16:36,670
function ูŠุนุงุฏ ุตูŠุงุบุชู‡ุง ุจู‡ุฐุง ุงู„ุตูŠู†ุฉุจู‡ุฐุง ุงู„ุณุจุจ ุงู„ู„ูŠ
210
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ู‡ูˆ ุงู†ู‡ ุงุญู†ุง ูŠูƒูˆู† ููŠ ุนู†ุฏูŠ two constants a ูˆ b ุงู„
211
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two constants a ูˆ b ู‡ุฏูˆู„ุฉ ูŠู†ุญุณุจ ุงู„ ุงู„ y ุงู„ู„ูŠ ู‡ูˆ ุงู„
212
00:16:45,730 --> 00:16:49,910
output ุชุจุน ุงู„ perceptron ุงูˆ ุงู„ู†ูˆุฏ ุงู„ูˆุงุญุฏุฉ ุจู‡ุฐู‡
213
00:16:49,910 --> 00:16:52,890
ุงู„ู‚ู„ูŠุฉ ุจุฏู„ ู…ุง ุจู‡ุฐู‡ ุงู„ equation ุจุฏู„ ุงู„ equation
214
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ุงู„ุฃุณุงุณูŠุฉ ู‡ุฐู‡ ุงู„ equation ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ equation
215
00:16:55,650 --> 00:16:59,890
ุชู…ุซู„ sigmoid functionู…ุด ุฅุด ุฌุฏูŠุฏ ุจุณ ุตูŠุงุบุฉ ุฃุฎุฑู‰
216
00:16:59,890 --> 00:17:05,370
ุฅู„ูŠู‡ุง ุงู„ุตูŠุงุบุฉ ู‡ุฐู‡ ุจุชุณุงุนุฏ ุนู„ู‰ ุชุณุฑูŠุน ุงุฎุชุตุงุฑ ูˆุฌุฏ ูŠุนู†ูŠ
217
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ุชุบูŠูŠุฑ ุงู„ุฃูˆุฒุงู† ุจูƒู…ูŠุงุช ุฃูƒุจุฑ ูˆุตูˆู„ุง ุฅู„ูŠ ุฅูŠุดูˆุตูˆู„ุง ุงู„ู‰
218
00:17:11,460 --> 00:17:17,880
ุงูˆุฒุงู† ุจุชุนุทูŠ error ุงู‚ู„ ูู‡ุฐู‡ ุงู„ุทุฑูŠู‚ุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู„ูŠ ู‡ูŠ
219
00:17:17,880 --> 00:17:22,860
ุงุณุชุฎุฏุงู… ุงู„ hyperbolic tangent function ุงูˆ ุตูŠุบุฉ ุงู„
220
00:17:22,860 --> 00:17:26,540
hyperbolic tangent ุชุจุน ุงู„ sigmoid function ุจุฏู„ ุงู„
221
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direct sigmoid ู‡ุฐุง ุงู„ูƒู„ุงู… ู…ุด ู‡ูˆุตูู‡ ู„ูŠุด ู„ุฃู†ู‡ ุจุฏู‡
222
00:17:30,460 --> 00:17:32,980
mathematical foundation ุญู„ ุงู„ mathematical
223
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foundation ู„ .. ู„ .. ู„ูŠุดุŸ
224
00:17:41,620 --> 00:17:46,340
ู„ู€ course ูŠูƒูˆู† ููŠ ุงู„ุฌุฒุก ุงู„ู†ุธุฑูŠ ุฃูƒุชุฑ ูุฅุญู†ุง ุงู„ุขู†
225
00:17:46,340 --> 00:17:49,560
ุจุฏู†ุง ู†ู†ุชู‚ู„ ุนู„ู‰ ู‡ุฐุง ู‡ูˆ ุงู„ุทุฑูŠู‚ุฉ ุงู„ุฃูˆู„ู‰ ู‡ุฐุง ุงู„ุทุฑูŠู‚ุฉ
226
00:17:49,560 --> 00:17:53,880
ุงู„ุฃูˆู„ู‰ ู„ุชุณุฑูŠุน ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ุทุฑูŠู‚ุฉ ุชุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูˆ
227
00:17:53,880 --> 00:17:57,300
ุฅุญู†ุง ู†ุณุชุฎุฏู… ุญุงุฌุฉ ุงุณู…ู‡ุง momentum term ุงุชุทู„ุน ุนู„ู‰
228
00:17:57,300 --> 00:18:01,860
ุงู„ู…ุนุงุฏู„ุฉ ู‡ุฐู‡ ุงุชุทู„ุน ุนู„ู‰ ุงู„ุดู‚ ู‡ุฐุง ู‡ู„ ุงู„ุดู‚ ู‡ุฐุง ุดูู†ุงู‡
229
00:18:01,860 --> 00:18:05,600
ู‚ุจู„ ู‡ูŠูƒ ุฃูˆู„ ุดูŠุก ุงูŠุด ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠุณุงุฑ ุงู„ู„ูŠ ูŠุณุงูˆูŠ
230
00:18:05,600 --> 00:18:12,400
ุงู„ู„ูŠ ู‡ูˆ ุงู„ delta W ุงู„ู„ูŠ ู‡ูˆ ุฅูŠุดูุฑู‚ ุงู„ูˆุฒู† ุจุงู„ุนุงุฏุฉ
231
00:18:12,400 --> 00:18:16,380
ุงุญู†ุง ุจู†ุนุฑู ุงู† ูุฑู‚ ุงู„ูˆุฒู† ู‡ูˆ ููŠ ุงู„ู…ุญุตู„ุฉ ู‡ูŠูƒ ุจุณ ู…ุฌุฑุฏ
232
00:18:16,380 --> 00:18:21,280
ุงู„ alpha ู…ุถุฑูˆุจุฉ ููŠ ุงู„ input ู…ุถุฑูˆุจุฉ ููŠ small delta
233
00:18:21,280 --> 00:18:25,700
ู„ู„ุฃ ุงุฐูƒุฑูƒู… ููŠ ู‡ุฐุง ุงู„ูƒู„ุงู… ู‡ูŠุชูˆุง ุงุฑุฌุน ู‡ู†ุง ูˆุฑุง ุดูˆูŠุฉ
234
00:18:25,700 --> 00:18:30,980
ุงุฑุฌุน ู‡ู†ุง ูˆุฑุง ุดูˆูŠุฉ ู‡ูŠุชูˆุง ู‡ูŠ delta ุตุญ ุนุจุงุฑุฉ ุนู† ุงูŠุด
235
00:18:30,980 --> 00:18:35,450
alpha ู…ุถุฑูˆุจุฉ ููŠ XX ุงู„ู„ูŠ ู‡ูŠ ุงู„ inputู…ุถุฑูˆู ู„ูŠุณ ููŠ
236
00:18:35,450 --> 00:18:38,410
ุฏู„ุชุง ุฏู„ุชุง ุงู„ู„ูŠ ู‡ูŠ error gradient ุชุจุน ุงู„ node ู†ูุณู‡ุง
237
00:18:38,410 --> 00:18:43,530
ุงู„ู„ูŠ ู†ุญุณุจ ู„ู‡ุง ุชู„ุงุชุฉ ุงูˆ ุฒู…ู† ุงู„ุฏุงุฎู„ุฉ ุนู„ูŠู‡ุง ู…ู† ูˆุงุญุฏ ูˆ
238
00:18:43,530 --> 00:18:53,830
ู…ู† ุงุชู†ูŠู† ู…ุจุฏุฆูŠุง ู„ู„ูŠ ู…ุด ุญุงูุธ ุชุนุฏูŠู„ ุงู„ูˆุฒู† delta w ู‡ูŠ
239
00:18:53,830 --> 00:18:56,690
ุนุจุงุฑุฉ ุนู† ุจุจุณุงุทุฉ learning rate
240
00:18:59,110 --> 00:19:02,870
ู…ุถุฑูˆุจ ููŠ ุงู„ input ุงู„ู„ู‰ ุฏุงุฎู„ ุนู„ู‰ ุงู„ node ู…ู† ู‡ุฐุง
241
00:19:02,870 --> 00:19:07,810
ุงู„ูˆุฒู† ู…ุถุฑูˆุจ ููŠ ุงู„ gradient ุทูŠุจ ุงูŠุด ุงู„ุงุณุชุฌุงุฏ
242
00:19:07,810 --> 00:19:11,710
ุงู„ุงุณุชุฌุงุฏ ู‡ุฐุง ุงู„ band ู‡ุฐุง ุงูˆ ู‡ุฐุง ุงู„ term ู‡ุฐุง ุงู„
243
00:19:11,710 --> 00:19:14,790
term ุงู„ู„ู‰ ู‡ูˆ ุงู„ momentum term momentum ูŠุนู†ูŠ ุงู„ุฏูุน
244
00:19:14,790 --> 00:19:18,450
ุจูŠุนุทูŠ ุงู„ุฏูุน ู„ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู…ุฉ ู‡ูˆ ุจุจุณุงุทุฉ ุดุฏูŠุฏุฉ ุนุจุงุฑุฉ
245
00:19:18,450 --> 00:19:22,970
ุนู† beta ู‡ูŠ ุนุจุงุฑุฉ ุนู† constant ุตุบูŠุฑ ู…ุง ุจูŠู† ุงู„ zero
246
00:19:22,970 --> 00:19:28,630
ูˆุงู„ูˆุงุญุฏ ู…ุถุฑูˆุจ ููŠ ุงูŠุดู…ุถุฑูˆู ููŠ ุงูŠุดุŸ ููŠ ุงู„ู€ delta
247
00:19:28,630 --> 00:19:33,190
point ูŠุนู†ูŠ ุจุฏู†ุง ุงู„ุขู† ุงู„ network ุชุชุฐูƒุฑ ุงู„ delta
248
00:19:33,190 --> 00:19:39,050
ุงู„ุณุงุจู‚ ุงุญู†ุง ู†ุญุณุจ ุงู„ delta ุชุจุน P ูˆ ุจู†ู‚ูˆู„ ุงู†ู‡ ุจุฏู†ุง
249
00:19:39,050 --> 00:19:44,210
ุงู„ delta ุชุจุน P ู†ู‚ุต ูˆุงุญุฏ ูŠุนู†ูŠ ุงูŠุดุŸ ุงู„ delta ุงู„ุณุงุจู‚
250
00:19:44,210 --> 00:19:50,310
ู…ุด ุงู„ูˆุฒู† ุงู„ุณุงุจู‚ ู…ุด W ู„ุฃ delta W ุจุฏู†ุง ู†ุงุฎุฏู‡ ู‡ุฐุง
251
00:19:51,510 --> 00:19:57,390
ู†ุญุชูุธ ููŠู‡ ู„ู„ุฏูˆุฑุฉ ุงู„ู„ุงุญู‚ุฉ ุนุดุงู† ู†ุถุฑุจู‡ ููŠ ู…ูŠู† ููŠ ุงู„
252
00:19:57,390 --> 00:20:04,590
beta ู‡ุฐุง ุงู„ูƒู„ุงู… ุจุดูƒู„ ุฏูุน ู„ู…ูŠู† ู„ุนู…ู„ูŠุฉ ุงู„ุชุนู„ู… ูˆู‡ุฐุง
253
00:20:04,590 --> 00:20:11,070
ุงู„ beta ู‚ูŠู…ุฉ ุชุชุฑุงูˆุญ ู…ู† zero ู„ูˆุงุญุฏ ุนุงุฏุฉ ุชุจุชุฏ ู‚ุฑูŠุจุฉ
254
00:20:11,070 --> 00:20:17,690
ู…ู† ุงู„ูˆุงุญุฏ ู‚ุฑูŠุจุฉ ู…ู† ุงู„ูˆุงุญุฏ ูŠุนู†ูŠ 0.95 ู…ุซู„ุง ูู‡ุฐุง ุงู„ู„ูŠ
255
00:20:17,690 --> 00:20:18,150
ู‡ูˆ ุงู„ุขู†
256
00:20:27,380 --> 00:20:32,280
two methods ุงูˆ two measures ุงูˆ two steps ุงูˆ two
257
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techniques ู„ูŠุด for accelerating ุฃูˆู„
258
00:20:41,980 --> 00:20:42,920
ูˆุงุญุฏ ุงูŠุด ูƒุงู†ุชุŸ
259
00:21:01,740 --> 00:21:06,060
ุงู„ุซุงู†ูŠ ุงุณุชุฎุฏุงู… ุงูŠุด
260
00:21:06,060 --> 00:21:11,540
momentum constant term ู„ุฃ ุงู„ constant ู‡ูˆ ุฌุฒุก ู…ู† ุงู„
261
00:21:11,540 --> 00:21:15,100
term ู‡ุฐุง ู‡ูˆ ูƒู„ู‡ ุนุจุงุฑุฉ ุนู† ุงู„ momentum term ุชุชูƒูˆู‘ู„
262
00:21:15,100 --> 00:21:20,260
ู…ู† ุญุงุฌุชูŠู† ู…ุถุฑูˆุจุงุช ููŠ ุจุนุถ ุงู„ู„ูŠ ู‡ู… ุงู„ momentum
263
00:21:20,260 --> 00:21:26,540
constant ุงู„ู„ูŠ ู‡ูŠ beta ู…ุถุฑุจุฉ ููŠ ุงู„ W ุชุจุนุช ุงู„
264
00:21:26,540 --> 00:21:34,100
iteration ุงู„ุณุงุจู‚ู‡ุฐุง ุงู„ term ุจูŠู†ุฌู…ุน ุนู„ู‰ ุงู„ term
265
00:21:34,100 --> 00:21:40,240
ุงู„ุฃุตู„ูŠ ุชุจุน ุชุนุฏูŠู„ ุงู„ุฃูˆุฒุงู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ alpha ู…ุถุฑูˆุจุฉ
266
00:21:40,240 --> 00:21:48,820
ููŠ ุงู„ input ู…ุถุฑูˆุจุฉ ููŠ ุงู„ error gradient error
267
00:21:48,820 --> 00:21:54,780
gradient ุงู„ู„ูŠ ู‡ูŠ small delta ุชู…ุงู…ุŸ
268
00:21:54,780 --> 00:21:57,800
ุฅูŠุด
269
00:21:57,800 --> 00:22:02,890
ุบูŠุฑ ุฅูŠูƒุŸ ู‡ุฏูˆู„ุง ุทุฑูŠู‚ุชูŠู† ุงู„ู„ูŠ ู‚ุงู„ู‡ ุฅูŠุดุฃูˆ ุฃุณู„ูˆุจูŠู† ู„ู€
270
00:22:02,890 --> 00:22:10,710
Accelerating Learning ุบูŠุฑ ู‡ูŠูƒุฉ ู‡ุฐุง ุงู„ู…ุซุงู„ ู†ูุณ
271
00:22:10,710 --> 00:22:20,270
ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ู‚ุจู„ ู‡ูŠูƒุฉ ุจูˆุฑูŠู‡ุง ูƒูŠู ุงู„
272
00:22:20,270 --> 00:22:27,770
learning rate ู‡ู†ุง ุซุงุจุช ู…ุงุชุบูŠุฑุด ุซุงุจุช ูˆ ุงู„ error
273
00:22:27,770 --> 00:22:37,800
ุจูŠู†ุฒู„ ุงู„ error ุจูŠู†ุฒู„ุตุงุฑ ุจุฏู„ ู…ุง ุฃุฎุฏุช ุจุฏู„
274
00:22:37,800 --> 00:22:44,280
ู…ุง ุชุงุฎุฏ 200 iteration ุนุดุงู† ูŠู‚ุชุฑุจ ุงู„ error ู…ู† ุงู„
275
00:22:44,280 --> 00:22:52,340
zero ุฃุฎุฏุช ุฌุฏุงุด 126
276
00:22:52,340 --> 00:22:57,120
epo ุงูˆ iteration ู…ุด ู…ุดูƒู„ุฉ ุงู„ู…ู‡ู… ุงู„ู‚ุตุฏ ุฃู†ู‡ ุงู†ุถุบุท
277
00:22:57,120 --> 00:23:03,340
ุงู„ุฃู…ุฑ ู…ู† 200 ุฅู„ู‰ 126ู‡ุฐุง ุจุงุณุชุฎุฏุงู… ุงู„ momentum term
278
00:23:03,340 --> 00:23:11,320
ู„ู…ุง ุฃุถูŠู ุงู„ momentum term ุนู„ู‰ ุชุตู…ูŠู… formula ุชุนุฏูŠู„
279
00:23:11,320 --> 00:23:18,920
ุงู„ูˆุฒู† ุตุงุฑ ุงุฎุชุฒู„ ุงูˆ ุฌู„ ุงู„ูˆุฌุฏ ุงู„ู‰ 126 ุงุจูˆูƒ ุจุฏู„ 200
280
00:23:18,920 --> 00:23:25,340
ุงุจูˆูƒ ุงู„ุขู† ุงุถุงูุฉ ุฅู„ู‰ ู‡ุฐูˆู„ ุงู„ two techniques ุฑู‚ู…
281
00:23:25,340 --> 00:23:27,360
ุชู„ุงุชุฉ ุงู„ู„ู‰ ู‡ูˆ ุงู„ heuristics
282
00:23:33,520 --> 00:23:37,660
plastics ู‡ุฐูˆ ู„ุง ููŠู‡ุง any tools rule ุจุชู‚ูˆู„ ุฅู†ู‡ ุฅุฐุง
283
00:23:37,660 --> 00:23:43,780
ูƒุงู† ุฃู†ุง ู‚ุงุนุฏ ุจุงุฌู…ุน ุงู„ู„ูŠ ู‡ูˆ ุฅูŠุด ุงู„ sum of square
284
00:23:43,780 --> 00:23:46,940
errors ุฅูŠุด ู‡ูˆ ุงู„ sum of square errors ุจุชุฐูƒุฑู‡ุง ู„ูˆ
285
00:23:46,940 --> 00:23:51,040
ู„ุณู‡ ูƒู†ุง ู†ุญูƒูŠ ุงู„ู„ูŠ ู‡ูˆ ุจุฌู…ุน ุงู„ errors ุชุจุนุฏ ูƒู„ ุงู„
286
00:23:51,040 --> 00:23:55,900
nodes ูˆ ุจุฑุจุนู‡ุง ุฃูˆู„ุง ุจุฎุฏู‡ุง ุจุฑุจุนู‡ุง ุจุนุฏูŠู† ุจุฌู…ุน
287
00:23:55,900 --> 00:24:01,900
ู…ุฑุจุนุงุชู‡ุง ุฅุฐุง ู…ู† epo ู„ epo ุงู„ sum of square errors
288
00:24:01,900 --> 00:24:12,120
ู‡ุฐุงsome of square errors ุจุงุณุชู…ุฑุงุฑ
289
00:24:12,120 --> 00:24:20,060
ุงู„ some ู‡ุฐุง ู…ู†
290
00:24:20,060 --> 00:24:26,520
ูˆุงุญุฏ ู„ู„ูŠ ุจุนุฏู‡ ุงู…ุง ููŠ ุงุฒุฏูŠุงุฏ ูŠุนู†ูŠ ููŠ ุงู„ุงูˆู„ ูƒุงู† ุงู„
291
00:24:26,520 --> 00:24:30,780
some ู†ู‚ูˆู„ ู…ุซู„ุง ุชู„ุงุชุฉ ุจุนุฏูŠู† ุตุงุฑ ุงุฑุจุน ุจุนุฏูŠู† ุตุงุฑ ุฎู…ุณุฉ
292
00:24:30,780 --> 00:24:31,280
ุจุนุฏูŠู† ุณุชุฉ
293
00:24:35,780 --> 00:24:45,980
ุจูŠุฒูŠุฏ ุงูˆ ุงู„ุงูƒุณ ุงู†ู‡ ููŠ ุงู„ู†ุฒูˆู„ ูŠุนู†ูŠ ุงู„ sum ุชุจุน ู‡ุฐุง
294
00:24:45,980 --> 00:24:49,400
ุงู„ epoch ุงู‚ู„ ู…ู† ุงู„ู„ูŠ ุฌุงุจู„ู‡ ูˆ ุงู„ู„ูŠ ุจุนุฏ ุงู‚ู„ ูˆ ุงู„ู„ูŠ
295
00:24:49,400 --> 00:24:53,220
ุจุนุฏ ุงู‚ู„ ุฌุงุก ุจุชู†ู‚ุต ู‡ุฐุง ุงู„ูƒู„ุงู… ู…ุด ู…ุนู†ุงุชู‡ ู…ุนู†ุงุชู‡ ู„ู…ุง
296
00:24:53,220 --> 00:24:58,800
ุงู†ุง ุจู‚ู‰ ุงุฎุฏ ุงู„ูุฑู‚ ู…ู† ุชู„ุงุชุฉ ู†ู‚ุต ุงุฑุจุนุฉ ุจูŠุทู„ุน ู†ู‚ุต
297
00:24:58,800 --> 00:25:02,220
ูˆุงุญุฏ ุงุฑุจุนุฉ ู†ู‚ุต ุฎู…ุณุฉ ุจูŠุทู„ุน ู†ู‚ุต ูˆุงุญุฏุฏุงุฆู…ุง .. ุฏุงุฆู…ุง
298
00:25:02,220 --> 00:25:09,020
.. ุฏุงุฆู…ุง ุงู„ูุฑู‚ .. ุฏุงุฆู…ุง ุงู„ูุฑู‚ ุงุดุงุฑุชู‡ ุจุงู„ุณู„ุจ ูˆู‡ู†ุง
299
00:25:09,020 --> 00:25:13,620
ู†ูุณ ุงู„ุงุดูŠ ุจุฑุถู‡ ุณูˆุงุก ูƒุงู† ู‡ูˆ ุตุนูˆุฏุง ุงูˆ ู‡ุจูˆุทุง ู„ู…ุง ุงู†ุง
300
00:25:13,620 --> 00:25:17,500
ุงุฌูŠ ุงู‚ูˆู„ ู…ุซู„ุง ู‡ุฐู‡ ุนุดุฑุฉ ูˆ ู„ุจุนุฏู‡ุง ุชุณุนุฉ ูˆ ู„ุจุนุฏู‡ุง
301
00:25:17,500 --> 00:25:21,800
ุชู…ุงู†ูŠุฉ ุนุดุฑ ุงู†ุงู‚ุต ุชุณุนุฉ ูˆุงุญุฏ ุชุณุนุฉ ุงู†ุงู‚ุต ุชู…ุงู†ูŠุฉ ูˆุงุญุฏ
302
00:25:21,800 --> 00:25:29,120
ูุงู„ูุฑู‚ ุฏุงุฆู…ุง ุงุดุงุฑุชู‡ ู…ูˆุฌุจุฉ ู‡ู†ุง ุฏุงุฆู…ุง ุงุดุงุฑุชู‡ ุงู„ุณู„ุจุฉ
303
00:25:31,690 --> 00:25:37,390
ุฅุฐุง ุฏุงูŠู…ุง ู‡ูŠูƒ .. ุฅุฐุง ุฏุงูŠู…ุง .. ุฅุฐุง ุงู„ change of the
304
00:25:37,390 --> 00:25:42,510
sum of square .. change .. ุงู„ change .. ุงู„ุชุบูŠุฑ
305
00:25:42,510 --> 00:25:45,510
ูŠุนู†ูŠ ู‡ู†ุง ู…ู† ุนุดุฑ ุฅู„ู‰ ุชุณุนุฉ ูˆ ุชุณุนุฉ ุฅุฐุง ุฏุงูŠู…ุง ู‡ุฐุง ุงู„
306
00:25:45,510 --> 00:25:49,130
change .. ูƒูŠู ุฃู†ุง ุจุญุณุจ ุงู„ changeุŸ ุจุงุฎุฏ ุงู„ูุฑู‚ ุฅุฐุง
307
00:25:49,130 --> 00:25:54,310
ุฏุงูŠู…ุง ู‡ุฐุง ุงู„ูุฑู‚ ุจุญุงูุธ ุนู„ู‰ ู†ูุณ ุงู„ signู†ูุณ ุงู„ุฅุดุงุฑุฉ
308
00:25:54,310 --> 00:25:58,190
ุงู…ุง ุฏุงูŠู…ุง ู…ูˆุฌุจุฉ ุงูˆ ุฏุงูŠู…ุง ุณุงู„ุจุฉ ูŠุจู‚ู‰ ุงู†ุง ููŠ ุนู†ุฏูŠ
309
00:25:58,190 --> 00:26:03,250
ุงุถุทุฑุงุฏ ุงู†ุง ููŠ ุนู†ุฏูŠ ุญุงุฌุฉ ุงุณู…ู‡ุง ุงู„ .. ุงู„ .. ุงู„ .. ุงู„
310
00:26:03,250 --> 00:26:05,830
.. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
311
00:26:05,830 --> 00:26:06,070
ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„
312
00:26:06,070 --> 00:26:06,150
.. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
313
00:26:06,150 --> 00:26:06,370
ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„
314
00:26:06,370 --> 00:26:06,690
.. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
315
00:26:06,690 --> 00:26:07,830
ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„
316
00:26:07,830 --> 00:26:07,950
.. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
317
00:26:07,950 --> 00:26:11,010
ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
318
00:26:11,010 --> 00:26:15,430
.. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ ..
319
00:26:15,430 --> 00:26:20,430
ุงู„ ..
320
00:26:20,430 --> 00:26:26,230
ุงู„ .. ุงู„ููŠ ุงู„ square ููŠ sum of square errors ูŠุจู‚ู‰
321
00:26:26,230 --> 00:26:33,570
ุฃู†ุง ุงู„ู…ูุฑูˆุถ ุฃุณุฑุน ุฃุฒูŠุฏ ุงู„ alpha ูุฅุฐุง ูƒุงู† ุงุฎุชุตุฑ ู‡ุฐุง
322
00:26:33,570 --> 00:26:39,770
ุงู„ linguistic ูƒุงู„ุชุงู„ูŠ ุฅุฐุง ูƒุงู†ุช ุงู„ sign of sum of
323
00:26:39,770 --> 00:26:42,570
square errors ูˆู„ุง ุญุฏ ุงู„ุงุฎุชุตุงุฑ
324
00:26:51,530 --> 00:26:54,230
ูˆ ุจุนุฏู‡ุง ูƒู„ู…ุฉ stable ุงูŠุด ู‡ุงู† stableุŸ ูŠุนู†ูŠ ู…ุงููŠุด
325
00:26:54,230 --> 00:26:59,310
ููŠู‡ุง ุชุฐุจุฐุจ ู…ุด ู…ุฑุฉ ุฒุงุฆุฏ ูˆ ู…ุฑุฉ ู†ุงู‚ุต ูŠุนู†ูŠ ู…ุด ุงู†ู‡ ู…ุฑุฉ
326
00:26:59,310 --> 00:27:05,390
ุชู„ุงู‚ูŠ ู‡ูŠูƒ ู‡ู†ุง ุงู„ูุฑู‚ ู‡ุฐุง ู†ุงู‚ุต ู‡ุฐุง ุณุงู„ุจ ุณุงู„ุจ ุจุนุฏ ู‡ูŠูƒ
327
00:27:05,390 --> 00:27:09,710
ุงู„ูุฑู‚ ุตุงุฑ ู…ูˆุฌุจ ู…ุธุจูˆุทุŸ ู‡ู†ุง ู…ุงููŠุด ูุฑู‚ ู‡ู†ุง ุตุงุฑ ุณุงู„ุจ
328
00:27:09,710 --> 00:27:13,110
ุณุงู„ุจ ุณุงู„ุจ ู‡ู†ุง ู…ูˆุฌุจ ู‡ุฐุง ุชุฐุจุฐุจ ููŠ ุงูŠุดุŸ ููŠ ุงู„ sign
329
00:27:13,110 --> 00:27:21,150
ุฅุฐุง ูƒุงู† ุงู„ sign is stable ูุฅูŠุด ุจุณูˆูŠ increase alpha
330
00:27:22,950 --> 00:27:25,930
ุฃู„ูุฉ ุงู„ู„ูŠ ู‡ูŠ learning rate ูˆุดูˆูุชู‡ุง ููŠ ูˆุงุญุฏุฉ ู…ู†
331
00:27:25,930 --> 00:27:30,210
ุงู„ุฃู…ุซู„ุฉ ูƒุงู†ุช 0.1 increase ูŠุนู†ูŠ ุจุฎู„ูŠู‡ุง 0.2 ู…ุซู„ุง
332
00:27:30,210 --> 00:27:36,270
ุจุฎู„ูŠู‡ุง 0.3 ุงูˆ ุจู‚ูŠุช ูˆ ุจู‚ูˆู„ ุจุฏูŠ ุงุถุฑุจู‡ุง ุฏุงูŠู…ุง ุจูŠุฒูŠุฏู‡ุง
333
00:27:36,270 --> 00:27:43,910
ุจ 5% ูŠุนู†ูŠ 0.1 ุจุฏูŠ ุฃุซูŠุฑ 0.105 ูŠุนู†ูŠ ุจุฎู„ูŠ ุจู…ุฎุตุฑ ุฃู†
334
00:27:43,910 --> 00:27:51,070
ุฃู„ูุฉ ุชุณุงูˆูŠ ุฃู„ูุฉ ุถุฑุจ ูˆุงุญุฏ ู‡ุฐุง ู…ุนู†ุงุชู‡ ุจูŠุฒูŠุฏู‡ุง ุจ 5%
335
00:27:52,090 --> 00:27:57,250
ู…ู…ูƒู† ุฃู‚ูˆู„ ู„ุฃ ุฏู‡ ุฒูŠ ุฏู‡ 15% ู…ู…ูƒู† ุฃู‚ูˆู„ ุฏู‡ ุฒูŠ ุฏู‡ 25%
336
00:27:57,250 --> 00:28:02,350
ุงู„ู…ู‡ู… ุฃู†ุง ุจู‚ู‰ ุฃุซุจุช ู„ูŠู‡ ู†ุณุจุฉ ุฒูŠุงุฏุฉ ุงู…ุชู‰ ุจุชุฒูŠุฏ ุงู…ุชู‰
337
00:28:02,350 --> 00:28:05,290
ุจู‚ู‰ ุทุงุจุช ุฏู‡ ุงู„ูƒู„ุงู… ู„ู…ุง ู‚ุงู„ู„ูŠ ุงู†ู‡ ุงู„ sign ุซุงุจุช
338
00:28:05,290 --> 00:28:12,790
ุงู„ุนูƒุณ ู…ู† ุฐู„ูƒ ุฅุฐุง ุงู„ algebraic sign of ุงู„ change ุงู„
339
00:28:12,790 --> 00:28:16,950
change ุงู„ู„ูŠ ู‡ูˆ ูŠุนู†ูŠ ู…ู‚ุตูˆุฏ ูŠุชุบูŠุฑ ููŠ ุงู„ alternates
340
00:28:16,950 --> 00:28:21,190
session alternates ูŠุชุฐุจุฐุจ ู…ุฑุฉ ุฃุฎุฑ ู…ุฑุฉ ู…ูˆุฌุฉ ู…ุฑุฉ
341
00:28:21,190 --> 00:28:25,760
ุณุงู„ุจุงู„ู„ูŠ ู‡ูˆ ู…ุนู†ุงู‡ ุฐู„ูƒ .. ู…ุนู†ุงู‡ ุฐู„ูƒ ููŠ ุนู†ุฏูŠ ุงู„ ..
342
00:28:25,760 --> 00:28:31,620
ุงู„ network ู…ุฑุฉ ุจุชู‚ุชุฑุจ .. ู…ุฑุฉ ุจุชู‚ุชุฑุจ ูˆ ุจุฌู„ ุงู„ error
343
00:28:31,620 --> 00:28:36,780
ูˆ ู…ุฑุฉ ุจุชุจุนุฏ ูุฌูŠู‡ุง ุบูŠุฑุช ุงู„ุฃูˆุฒุงู† ุจุดูƒู„ ูƒุจูŠุฑ ุตุงุฑ ูŠุทู„ุน
344
00:28:36,780 --> 00:28:41,570
ู…ุนุงู‡ุง error ูˆ ุจุนุฏูŠู† ูƒุงู†ุช ู…ู‚ุชุฑุจุฉุŒ ุจุณ ุฅูŠุดุŸุงู„ุชุบูŠูŠุฑ
345
00:28:41,570 --> 00:28:45,550
ุงู„ู„ูŠ ุญุตู„ ูƒุงู† ุชุบูŠูŠุฑ ูƒุจูŠุฑ ููŠ ุงู„ุฃูˆุฒุงู† ุฎู„ู‡ุง ุชูุดุฌ ุนู† ..
346
00:28:45,550 --> 00:28:50,290
ุฒูŠ ู…ุง ู‡ู… ุจูŠู‚ูˆู„ู‡ุง ุชุฎุทูŠ ุงู„ุตูˆุงุจ ูˆ ุตุงุฑุช ุงู„ุงุด ุชุจุนุฏ ูˆ
347
00:28:50,290 --> 00:28:54,430
ุจุนุฏูŠู† ุตุงุฑุช ุชุชุฑุฏ ุชุงู†ูŠ ุจุณ ู„ู…ุง ุฑุฏุช ู…ุงุฑุฌุนุชุด ุนู„ู‰ ุงู„ุตูˆุงุจ
348
00:28:54,430 --> 00:28:57,890
ูุดุฌุช ุนู†ู‡ ุจ .. ูุตุงุฑ .. ูุฅูŠุด ููŠู‡ ู…ุดูƒู„ุฉุŸ ุงู„ู…ุดูƒู„ุฉ ุฃู†ู‡ุง
349
00:28:57,890 --> 00:29:01,450
ุจุชุฎุทูŠ ุฎุทูˆุงุช ูˆุงุณุนุฉ ูุงู†ุง ุจุถูŠู‚ ุงู„ุฎุทูˆุงุช ู‡ุฐู‡ ูƒูŠู ุจุถูŠู‚
350
00:29:01,450 --> 00:29:08,770
ุงู„ุฎุทูˆุงุชุŸ ุจู†ุฒู„ ุงู„ุงุด ุงู„ alpha ุงู„ learning rate ูุฅุฐุง
351
00:29:08,770 --> 00:29:19,460
ูƒุงู† ุงู„ signุฎู„ุงุต ูุฃู‚ูˆู„ S ุฅุฐุง ู‡ูŠ ู…ุด stable sign
352
00:29:19,460 --> 00:29:25,700
of SSE alternates
353
00:29:25,700 --> 00:29:29,960
ู…ุนู†ุงู‡
354
00:29:29,960 --> 00:29:34,880
ุฐู„ูƒ decrease ุงู„ุฃู„ู
355
00:29:34,880 --> 00:29:39,830
decrease ุงู„ุฃู„ู ุจุฑุถู‡ ูŠูƒูˆู† ุนู†ุฏูŠ ูƒู…ุงู†ุจุชู‚ุฏุฑ ุชุชุฎูŠู„ ูŠุนู†ูŠ
356
00:29:39,830 --> 00:29:48,910
ู‡ู†ุง ู‡ูˆ ู…ุซู„ุง ุงู„ decrease
357
00:29:48,910 --> 00:29:56,070
ุจุฃู†ู‡ ุจุถุฑุจู‡ุง ุจ 70% ุจ 7 ู…ู† 10 ูŠุนู†ูŠ ุจู†ุฒู„ู‡ุง 30% ุชู…ุงู… ูˆ
358
00:29:56,070 --> 00:30:03,790
ุงู„ increase ุจุถุฑุจู‡ุง ููŠ 1 ูˆ 5 ู…ู† 100 ูˆุงุถุญ ุชู…ุงู… ูู‡ู†ุง
359
00:30:03,790 --> 00:30:10,570
ุจูˆุฑูŠู„ูƒ ูƒูŠู ุงู†ู‡ ู‡ุงูŠุงู„ู€ Epochs ู…ุงุดูŠุฉ ูˆ ููŠ ุฏู‡ ุงู„ ุฏูŠ
360
00:30:10,570 --> 00:30:18,250
ุงู„ learning rate ู‚ุงุนุฏ ุจุชุณุงุนุฏ ู†ุชูŠุฌุฉ ุชุทุจูŠู‚ ุฅูŠุดุŸ ู‡ุฐูŠ
361
00:30:18,250 --> 00:30:23,250
ุชู…ุงู…ุŸ ู‚ุงุนุฏ ุจูŠุญุณุจ ู„ุฌุฃ ุฃู†ู‡ ุงู„ error ุงู„ software
362
00:30:23,250 --> 00:30:26,810
errors ู‚ุงุนุฏ ููŠ ุงู„ู†ุงุฒู„ ุตุญ ููŠ ุงู„ู†ุงุฒู„ ูŠุนู†ูŠ ุฅุดุงุฑุชู‡
363
00:30:26,810 --> 00:30:32,170
ุฏุงูŠู…ุง ู…ูˆุฌุจุฉ ู…ุธุจูˆุทุŸ ุจู‚ู‰ ุฃุทุฑุญ ุงู„ุณุงุจู‚ ูˆ ุจู‚ู‰ ุฃุทุฑุญ ู…ู†ู‡
364
00:30:32,170 --> 00:30:37,960
ุงู„ู„ุงุญู‚ ูˆ ุทู„ุนุช ู…ูˆุฌุจ ูู‡ูˆ ุจุณุจุจ ุฃู†ู‡ ู‡ุฐุง ู…ูˆุฌุจุงู„ุชุบูŠุฑ
365
00:30:37,960 --> 00:30:44,780
ู…ูˆุฌุจ ุงู‡ ุงู„ุชุบูŠุฑ ู…ูˆุฌุจ ูู‡ูˆ ุนู…ุงุฑ ุจูŠุฑูุน ููŠ ู„ูŠุด ููŠ ุงู„ู„ูŠ
366
00:30:44,780 --> 00:30:49,000
ุนู†ุฏ ุญุฏ ู…ุนูŠู† ุฌู„ุจ
367
00:30:49,000 --> 00:30:53,540
ุงู„ ุงู„
368
00:30:53,540 --> 00:30:59,840
alphaุจุฏุฃุช ุชู†ุฒู„ ูˆ ู†ุฒูˆู„ู‡ุง ู„ุฃู† ูˆุถุนู‡ุง ููŠ 0.7 ุงู„ู†ุฒูˆู„
369
00:30:59,840 --> 00:31:04,000
ุฃุณุฑุน ุฃูˆ ุฃุญุฏ ู…ู† ุงู„ุตุนูˆุฏ ุตุนูˆุฏ ุชุฏุฑูŠุฌ ุจุณูŠุท 5% ูƒู„ ู…ุฑุฉ
370
00:31:04,000 --> 00:31:11,240
ุงู†ู…ุง ู‡ู†ุง 30% ูƒู„ ู…ุฑุฉ ูุจุฏุฃุช ุชู†ุฒู„ ู†ุฒู„ุฉ ุฌุงู…ุฏุฉ ู…ูŠู† ู‡ูŠ
371
00:31:11,240 --> 00:31:14,980
ุงู„ู„ูŠ ู‡ูˆ ุงู„ learning rate ู†ุฒู„ ู†ุฒู„ ุฌุงู…ุฏุฉ ู…ุน ุงู„ู†ุฒู„ุฉ
372
00:31:14,980 --> 00:31:20,640
ู‡ุฐู‡ ุจุฏุฃ ูŠู‚ุชุฑุจ ู…ู† ุงูŠุด ู…ู† ุจูˆุฑูŠู„ูƒ ูุนู„ูŠุฉ ู‡ุฐุง ุงู„ุฃุณู„ูˆุจ
373
00:31:20,640 --> 00:31:22,440
ููŠ ุงู„ุงู‚ุชุฑุงุจ ู…ู†
374
00:31:25,600 --> 00:31:33,420
ู…ู† ุงู„ error ุงู„ู…ุฎูุถ ุจูˆู‚ุช ุฃู‚ู„ 100 epoch ุจุฏู„ุง ู…ู† 126
375
00:31:33,420 --> 00:31:39,920
epoch ู‡ุฐุง
376
00:31:39,920 --> 00:31:45,280
ุงู„ุฃู† ุงุณุชุฎุฏู… ุงู„ momentum ู…ุน ุจุฑุถู‡ ู‡ุฐู‡ ุงู„ู‡ูŠุฑูˆุณุชูŠูƒ
377
00:31:45,280 --> 00:31:48,960
ุงู‚ุจุงู„ adaptive ุงูŠุด ูŠุนู†ูŠ adaptive ูŠุนู†ูŠ ู„ู…ุง ู†ู‚ูˆู„
378
00:31:48,960 --> 00:31:53,100
adapter ุงูŠุด ูŠุนู†ูŠ adapter ูŠุนู†ูŠ ู…ุญูˆู„adaptive ูŠุนู†ูŠ
379
00:31:53,100 --> 00:31:58,260
ุฃู†ู‡ ูŠุชุญูˆู„ ูˆูŠุบูŠุฑ ู…ู† ุชู„ู‚ุงุก ู†ูุณู‡ ู…ุงู‡ูˆ ุงู„ู„ูŠ ุจุชุบูŠุฑ ู…ู†
380
00:31:58,260 --> 00:32:02,240
ุชู„ู‚ุงุก ู†ูุณู‡ ุงู„ learning rate ู„ูˆุญุฏู‡ ุจู†ุงุก ุนู„ู‰
381
00:32:02,240 --> 00:32:07,980
ุงุณุชุดุนุงุฑู‡ ู„ู„ sign ุชุจุนุช ู…ู† ุงู„ sum of square arrows
382
00:32:07,980 --> 00:32:12,180
ู‡ูˆ ู†ูุณู‡ ู…ู† ุชู„ู‚ุงุก ู†ูุณู‡ุง ุงู„ network ุจุชุบูŠุฑ ููŠ ุงู„
383
00:32:12,180 --> 00:32:15,460
learning rate ุชุจุนู‡ุง ุนุดุงู† ุฐู„ูƒ ุงุณู… ู‡ุฐุง ุงู„ูƒู„ุงู…
384
00:32:15,460 --> 00:32:19,680
adaptive learning ูู„ู…ุง ุงู†ุฏู…ุฌ ุงู„ two techniques ุงู„
385
00:32:19,680 --> 00:32:26,480
adaptive learning ู…ุน ุนู„ู…momentum ุตุงุฑ ุนู†ุฏูŠ ุงุฎุชุตุงุฑ
386
00:32:26,480 --> 00:32:32,160
ู„ุณู‡ ุงูƒุชุฑ ุตุฑู†ุง ุจู†ุตู„ ุงู„ู‰
387
00:32:32,160 --> 00:32:35,780
ุงู„ zero
388
00:32:35,780 --> 00:32:41,280
ุชู‚ุฑูŠุจุง error ูˆู…ุนู†ุงู‡ ู…ุด zero ู‡ุฐุง ุงู„ูƒู„ุงู… ูˆุงุญุฏ ุงุต ู†ู‚ุต
389
00:32:41,280 --> 00:32:45,580
ุงุดู‡ุฑ ุงุต ู†ู‚ุต ุซู„ุงุซ ูŠุนู†ูŠ ูˆุงุญุฏ ู…ู† ุงู„ุฃู„ู ูŠุนู†ูŠ ู…ุด zero
390
00:32:46,700 --> 00:32:50,940
ู…ุงุจุฏู†ุงุด ุจุงู„ุธุจุท 00 ูŠุนู†ูŠ ู…ู…ูƒู† ุชุจู‚ู‰ ุตุนุจ ุฌุฏุง ุงู†ู‡ ุงู„
391
00:32:50,940 --> 00:32:56,100
network ุชุตู„ ู„ู„ zero ู„ูƒู† ู…ู…ูƒู† ู†ู‚ุจู„ ุจุฃู†ู‡ุง ุชุตู„ ู„ูˆุงุญุฏ
392
00:32:56,100 --> 00:33:01,580
ู…ู† ุงู„ู error ุงู„ error ูŠุตู„ ู„ูˆุงุญุฏ ู…ู† ุงู„ู ุตุญ ุทูŠุจ ู…ุงุดูŠ
393
00:33:01,580 --> 00:33:06,000
ุงู„ุญุงู„ okay ุงู„ุงู† ู‡ู†ุง ุงู„ูƒู„ุงู… ุจูŠูˆุตู„ู†ุง ู„ู†ู‡ุงูŠุฉ ุงู„ู„ูŠ
394
00:33:06,000 --> 00:33:08,920
ุญุงูƒูŠ ุนู† ุงู„ back propagation networks ูˆู„ูƒู† ู„ุฃุณู
395
00:33:08,920 --> 00:33:14,460
ู…ุงู‚ู„ุด ู…ุนู†ู‰ ูˆู‚ุช ู†ุจุฏุฃ ููŠ ุงู„ hub field ุงู„ hub field
396
00:33:14,460 --> 00:33:19,080
networkูˆ ุงู„ BAM ูุจู†ุงุฎุฏู‡ู… ููŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ุฌุงูŠุฉ ุงู† ุดุงุก
397
00:33:19,080 --> 00:33:23,900
ุงู„ู„ู‡ ุชู…ุงู…ุŸ ูŠุจู‚ู‰ ุงุญู†ุง ุงู„ุขู† ุนู…ู„ูŠุง ุจุงุฎุชุตุงุฑ ุงู„ู…ุญุงุถุฑุฉ
398
00:33:23,900 --> 00:33:28,940
ุงู„ูŠูˆู… ูƒุงู†ุช ุชูƒู…ู„ุฉ ู„ ุงู„ back propagation networks
399
00:33:28,940 --> 00:33:33,960
ุงู„ู„ูŠ ู‡ูˆ ูˆุงุญุฏ ู…ู† ุฃู†ูˆุงุน ุงู„ unsupervised artificial
400
00:33:33,960 --> 00:33:36,680
neural networks ุงู„ู…ุญุงุถุฑุฉ ุงู„ุฌุงูŠุฉ ุงู† ุดุงุก ุงู„ู„ู‡ ุจู†ูƒู…ู„
401
00:33:36,680 --> 00:33:39,940
ุงู„ู†ูˆุนูŠู† ุงู„ุชุงู†ูŠุงุช ุงู„ู„ูŠ ู‡ูˆ ุงู„ hot field ูˆ ุงู„ BAM
402
00:33:39,940 --> 00:33:46,360
ุงู„ู„ูŠ ู‡ูˆ ููŠ ูˆุงู‚ุน ุงู„ุฃู…ุฑ ู†ูˆุน ูˆุงุญุฏ ุจุณ ู…ู†ู‡ ู†ุณุฎุชูŠู†ูˆ ุฅุฐุง
403
00:33:46,360 --> 00:33:49,600
ุถุงู„ ู…ุนุงู†ุง ูˆุฌุฏ ู†ุจุฏุฃ ููŠ ู„ูŠุดุŸ ููŠ ุงู„ super .. ููŠ ุงู„
404
00:33:49,600 --> 00:33:54,420
unsupervised .. ููŠ ุงู„ unsupervised artificial
405
00:33:54,420 --> 00:33:55,140
neural networks