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MolGANの紹介

 MolGANの紹介

Oshita Noriaki

June 07, 2019
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  1. .PM("/
    "OJNQMJDJUHFOFSBUJWFNPEFMGPSTNBMM
    NPMFDVMBSHSBQIT
    /JDPMB%F$BP 5IPNBT,JQG
    ൃදऀɿେԼൣߊ

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  2. ຊ೔ͷ಺༰
    .PM("/ͱ͸
    (SBQI$POWPMVUJPOBM/FUXPSLͱ͸
    ("/ͱ͸
    .PM("/ͷΞʔΩςΫνϟʔ
    ධՁࢦඪ
    ֶशʹ͓͚Δ໰୊఺

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  3. .PM("/ͱ͸
    w ͓͓ͬ͟ͺʹ͍͏ͱ෼ࢠάϥϑΛੜ੒͠Α͏ͱ͍͏("/

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  4. (SBQI$POWPMVUJPOBM/FUXPSL
    άϥϑϑʔϦΤม׵
    άϥϑԽ

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  5. ͳͥ($/Λ࢖͏ͷʁ
    .4DIMJDIULSVMMFUBM
    ٙ໰
    3//ϕʔεͷੜ੒ϞσϧͷจࣈྻදݱͰ͍͍Μ͡Όͳ͍ͷʁ
    ͳͥάϥϑʹʁ
    ౴͑
    3//͸ɺ
    ɾߏจنଇͱදݱͷॱংͷ͍͋·͍͞ͷ྆ํΛֶश͢ΔͨΊʹଟେͳίετΛඅ΍͢
    ɾҰൠతʹʢඇ෼ࢠʣάϥϑʹ͸ద༻Ͱ͖ͳ͍

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  6. ("/
    min
    θ
    max
    ϕ
    x∼pdata
    (x)
    [logDϕ
    (x)] + z∼pz
    (z)
    [log(1 − Dϕ
    (Gθ
    (z))]
    ൑ผͰ͖ͳ͍Α͏ʹ͍ͨ͠
    ൑ผ͍ͨ͠
    (ʹΑͬͯੜ੒ͨ͠σʔλ
    ຊ෺ͷσʔλ͔Βֶश

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  7. .PM("/
    %JTDSJNJOBUPSσʔληοτͱ(FOFSBUPSΛࣝผ͢Δ
    3FXBSEOFUXPSL(FOFSBUPSͰੜ੒͞Εͨ෼ࢠΛධՁ͢Δɽ
    (FOFSBUPS෼ࢠΛੜ੒͢Δɽ
    ɾͦΕͧΕͷ໾໨

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  8. matrixX = [x1
    , …, xN]
    T
    ∈ ℝN×T
    ֤෼ࢠ͸ແ޲άϥϑͰදݱͰ͖Δ
    લఏɿ
    A ∈ ℝN×N×YXIFSFAij
    ∈ ℝY
    ྡ઀ςϯιϧ
    ஫ऍߦྻ

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  9. 3FXBSE/FUXPSL
    w άϥϑ৞ΈࠐΈ૚ʹجͮ͘ॱྻෆมหผث͓Αͼใु
    ωοτϫʔΫʢॴ๬ͷԽֶతੑ࣭ʹ޲͚ͨ3-ϕʔεͷ࠷
    దԽͷͨΊʣ
    w ೖྗ͸άϥϑɼग़ྗ͸εΧϥʔ
    w %JTDSJNJOBUPSͱಉ͡ωοτϫʔΫΛ࢖༻͢Δɽ

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  10. ධՁࢦඪ
    4BNBOUBFUBM
    Uniqueness =
    ϢχʔΫαϯϓϧ
    ༗ޮαϯϓϧ
    Novelty =
    σʔληοτʹؚ·Εͳ͍༗ޮͳαϯϓϧ਺
    ༗ޮͳαϯϓϧ਺
    Validity =
    7BMJE਺
    શͯͷੜ੒͞Εͨ෼ࢠ਺

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  11. %SVHMJLFOFTTͲͷ͘Β͍Խ߹෺͕ༀʹͳΔՄೳੑ͕͋Δ͔

    4ZOUIFUJ[BCJMJUZ෼ࢠͷ߹੒ͷ༰қ͞ʢ೉қ౓ʣ

    4PMVCJMJUZ෼ࢠ͕Ͳͷఔ౓਌ਫੑ ਫʹ༹͚΍͍͔͢
    Ͱ͋Δ͔

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  12. ෼ࢠؒͷྨࣅ౓ͷܭࢉํ๏͸ʁ
    "#JDLFSUPOFUBMʹॻ͍͍ͯΔɽ

    2&%ͱ͍͏ఆྔతͳਪఆΛߦ͍ͬͯΔɽdͷؒʹ஋Λ࣋ͪɼ

    ʹ͍ۙ΄Ͳ%SVHMJLFOFTTΛ΋ͭɽ
    QED = exp
    (
    1
    n
    n

    i=1
    ln di)
    ͜ͷத͕͚ۙΕ͹ༀΒ͍͠ͱ͍͑Δ
    EFTJSBCJMJUZGVODUJPOT

    B C D E F G͸ύϥϝʔλ
    d(x) = a +
    b
    [
    1 + exp (−
    x − c + d
    2
    e )]
    1 −
    1
    [
    1 + exp (−
    x − c − d
    2
    f )]
    Y෼ࢠهड़ࢠ

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  13. ݁࿦
    7"&ϕʔεͷੜ੒ϞσϧΑΓ΋ߴ͍༗ޮੑͱ৽نੑͷ྆ํͰ

    ෼ࢠάϥϑΛੜ੒͢Δ͜ͱ͕Ͱ͖Δ
    ܭࢉ͕࣌ؒҎલͷγʔέϯγϟϧ("/ͱൺֱͯ͠ഒ଎͍܇࿅࣌ؒ
    ("/ͱڧԽֶशΛۦ࢖͍ͯ͠ΔͷͰɼϞʔυ่յ͕ى͜Γ΍͍͢

    ͦͷͨΊɼ৽حੑͷ͋Δάϥϑ͕ੜ੒͞Εʹ͘͘ͳΔ໰୊఺΋͋
    Δɽ

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