Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Introduction Deep Reinforcement Learning
Search
Wonseok Jung
November 20, 2018
0
150
Introduction Deep Reinforcement Learning
Wonseok Jung
November 20, 2018
Tweet
Share
More Decks by Wonseok Jung
See All by Wonseok Jung
Ai for business -self car driving
wonseokjung
0
190
reinforcement_learning_.pdf
wonseokjung
2
1.5k
원석이의 모두연에서 강화학습 보석되기
wonseokjung
0
410
NeuralIPS
wonseokjung
0
400
Deep reinforcemenet learning -2
wonseokjung
0
190
Deep Reinforcement Learning - Introduction
wonseokjung
1
630
How to become a datascientist ?
wonseokjung
2
2.3k
Review of Taylor series
wonseokjung
1
120
꿈꾸는 Agent
wonseokjung
2
140
Featured
See All Featured
Intergalactic Javascript Robots from Outer Space
tanoku
271
27k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
It's Worth the Effort
3n
185
28k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
Practical Orchestrator
shlominoach
189
11k
Done Done
chrislema
184
16k
GitHub's CSS Performance
jonrohan
1031
460k
Why Our Code Smells
bkeepers
PRO
337
57k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.9k
Mobile First: as difficult as doing things right
swwweet
223
9.7k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
Transcript
3-9%- 8POTFPL+VOH *OUSPEVDUJPOUP3FJOGPSDFNFOU-FBSOJOH GFBUDT
8POTFPL+VOH $JUZ6OJWFSTJUZPG/FX:PSL#BSVDI$PMMFHF %BUB4DJFODF.BKPS $POOFYJPO"*'PVOEFS %FFQ-FBSOJOH$PMMFHF3FJOGPSDFNFOU-FBSOJOH3FTFBSDIFS .PEVMBCT$53--FBEFS 3FJOGPSDFNFOU-FBSOJOH 0CKFDU%FUFDUJPO
$IBUCPU (JUIVC IUUQTHJUIVCDPNXPOTFPLKVOH 'BDFCPPL IUUQTXXXGBDFCPPLDPNXTKVOH #MPH IUUQTXPOTFPLKVOHHJUIVCJP :PVUVCF IUUQTXXXZPVUVCFDPNDIBOOFM6$N5Y8,EIM8W+6GS3X
5PEBZ .BSLPWEFDJTJPOQSPDFTT ъചणޙઁ ъചणঌҊ્ܻࣁо࠙ܨ ъചणঌҊ્ܻఋੑѐਃ
.BSLPW%FDJTJPO1SPCMFN πθ (at ∣ ot ) πθ (at ∣ st
) - policy - policy ( fully observed ) st ot at - state - observation - action o1 s1 a1 o2 s2 a2 o3 s3 a3 p(st+1 ∣ st , at ) p(st+1 ∣ st , at ) .BSLPW%FDJTJPO1SPCMFN TUBUF BDUJPO SFXBSE USBOTJUJPO١ਵ۽അغחъചणীࢲࣁ࢚ਸ
3FXBSEGVODUJPOT )JHI3FXBSE ֫ࠁ࢚ উೞѱݾীب -PX3FXBSE ծࠁ࢚ ҮాࢎҊ
1PMJDZউೞѱೞѱೞח଼ण )JHI3FXBSE -PX3FXBSE 3FXBSEGVODUJPOਸా೧ण
.BSLPWDIBJO s ∈ S s T 4UBUFTQBDF 5SBOTJUJPOPQFSBUPS 4UBUFTQBDF M
= S, T
.BSLPWDIBJO HSBQIJDBMMZ →μt +1 = T→μt μt,i = p(st =
i) s1 s2 s3 p(st+1 ∣ st , at ) p(st+1 ∣ st , at ) Ti,j = p(st+1 = i ∣ st = j) TUBUFKоযਸٸTUBUFоJؼഛܫݫܼझ UJNFTUFQUীTUBUFоJੌഛܫ
.BSLPWEFDJTJPOQSPDFTT s1 a1 s2 a2 s3 p(st+1 ∣ st ,
at ) p(st+1 ∣ st , at ) s ∈ S s A T a ∈ A 4UBUFTQBDF "DUJPOTQBDF 5SBOTJUJPOPQFSBUPS 4UBUFTQBDF "DUJPOTQBDF M = {S, A, T, r} r 3FXBSEGVODUJPO
.BSLPWEFDJTJPOQSPDFTT μt,i = p(st = i) Ti,j,k = p(st+1 =
i ∣ st = j, at = k) UJNFTUFQUীTUBUFоJੌഛܫ UJNFTUFQUীࢲTUBUFоKҊBDUJPOLੌ⮶ UJNFTUFQU ীࢲTUBUFоJੌഛܫ ξt,k = p(at = k) UJNFTUFQUীBDUJPOLੌഛܫ r : SxA → R SFXBSEGVODUJPO μt,i = ∑ j,k Ti,j,k μt,j ξt,k
1BSUJBM0CTFSWFE.BSLPWEFDJTJPOQSPDFTT s ∈ S s A T a ∈ A
4UBUFTQBDF "DUJPOTQBDF 5SBOTJUJPOPQFSBUPS 4UBUFTQBDF "DUJPOTQBDF M = {S, A, O, T, E, r} O 0CTFSWBUJPOTQBDF E &NJTTJPOQSPCBCJMJUZ P(ot ∣ st ) r 3FXBSEGVODUJPO o ∈ O PCTFSWBUJPOTQBDF o1 s1 a1 o2 s2 a2 o3 s3 a3 p(st+1 ∣ st , at ) p(st+1 ∣ st , at )
5IFHPBMPGSFJOGPSDFNFOUMFBSOJOH πθ (a ∣ s) θ ੋҕन҃ݎXFJHIUT 1PMJDZחۄݫఠܳ߸ೠ θ ੋҕन҃ݎੑ۱ਵ۽TUBUFܳ߉ҊBDUJPOਸ۱ೠ
ജ҃BDUJPOਸੑ۱ਵ۽߉ҊTUBUFܳ۱ೠ
5IFHPBMPGSFJOGPSDFNFOUMFBSOJOH pθ (s1 , a1 , . . . .
. , ST , aT ) = p(s1 ) T ∏ t=1 πθ (at ∣ st )p(st+1 ∣ st , at ) pθ (τ) θ* = argmaxθ Eτ pθ (τ) [∑ t r(st , at )]
5IFBOBUPNZPGBSFJOGPSDFNFOUMFBSOJOHBMHPSJUIN 1PMJDZܳࢎਊೞৈ ࢠࢤࢿ SFUVSOчਸஏ SFUVSO SFXBSE ܳਊೞৈ଼
সؘ
2GVODUJPOBOE7BMVFGVODUJPO Qπ(st , at ) = ∑T t′=t Eπθ [r(s′
t , a′ t ) ∣ st , at ] 2GVODUJPO 4UBUFU BDUJPOUীࢲࠗఠզٸө 5 ߉ਸࣻח୨SFXBSEӝчਸ҅
2GVODUJPOBOE7BMVFGVODUJPO 7BMVFGVODUJPO Vπ(st ) = T ∑ t′=t Eπθ [r(s′
t , a′ t ) ∣ st ] TUBUFUীࢲࠗఠզٸө 5 ߉ਸࣻח୨SFXBSEӝчਸ҅
5ZQFPG3-BMHPSJUINT 1PMJDZHSBEJFOUT 7BMVFCBTFE "DUPSDSJUJD .PEFMCBTFE3-
ъചणঌҊ્ܻ݆ਬ ਃೠࢠ ೞಌۄݫఠ উࢿ $POWFSHF
.%1 4UPDIBTUJD %FUFSNJOJTUJD $POUJOVPVT %JTDSFUF .%1ೠ ޖೠ
/&95DIBQUFS 1PMJDZHSBEJFOUT