ํŒŒ์ดํ† ์น˜

๋ชจ๋‘์˜ ๋”ฅ๋Ÿฌ๋‹ -ํŒŒ์ดํ† ์น˜ ch5-ch6 ์ •๋ฆฌ

JihyunLee 2019. 3. 19. 23:59
๋ฐ˜์‘ํ˜•


๋ชจ๋‘์˜ ๋”ฅ๋Ÿฌ๋‹ ๋งํฌ : 
https://www.youtube.com/watch?v=SKq-pmkekTk&list=PLbbloOsdWVwTNNkjnLuqEWtzjRqfBALF7



๋ชจ๋‘์˜ ๋”ฅ๋Ÿฌ๋‹ ch5, ch6


๊ฒฐ๊ณผ๊ฐ€ yes or no๋กœ ๋‚˜์™€์•ผ ํŽธํ•œ ๊ฒฝ์šฐ๊ฐ€ ๋งŽ๋‹ค. ๊ฒฐ๊ณผ๋ฅผ yes์™€ no๋กœ ํ‘œํ˜„ํ•ด์ฃผ๋Š” ํ•จ์ˆ˜๊ฐ€ ์žˆ๋‹ค.


์ด๋ฅผ ํ™œ์„ฑํ™” ํ•จ์ˆ˜๋ผ๊ณ  ํ•˜๊ณ , 



์‚ฌ์šฉ๋ฐฉ๋ฒ• : 


์œ„์˜ forwardํ•จ์ˆ˜์— f.sigmoid์ฒ˜๋Ÿผ ๊ฒฐ๊ณผ๊ฐ’์— ์‹œ๊ทธ๋ชจ์ด๋“œ ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ํ™œ์„ฑํ™” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉ ํ•œ ๊ฒƒ์ด ๋œ๋‹ค.


๋˜ํ•œ pytorch์—๋Š” ์‚ฌ์šฉํ•˜๊ธฐ ์‰ฝ๊ฒŒ, ์ด๋ฏธ ๋งŽ์€ loss ํ•จ์ˆ˜์™€ ํ™œ์„ฑํ™” ํ•จ์ˆ˜๋“ค์ด ๊ตฌํ˜„๋˜์–ด ์žˆ๋‹ค.








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