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数式処理システムMathematicaを活用した数学的ゲームの研究
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Yushi Nakaya
January 23, 2016
Science
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数式処理システムMathematicaを活用した数学的ゲームの研究
日本数式処理学会 合同分科会 2016年1月23日-24日(名古屋大学東山キャンパス , 愛知県)
http://www.jssac.org/Joint/Conf/pos2016.pdf
Yushi Nakaya
January 23, 2016
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Transcript
ٶࣉྑฏҪণଇத༔ࢿށᅳ༑و ഡৎᖒଠஐཽࣛ࠸ ࣜॲཧγεςϜMathematicaΛ׆༻ͨ͠ ֶతήʔϜͷݚڀ
!2 Corner the Queen w ਓ͕ަޓʹνΣε൫্ͷ2VFFOΛಈ͔͢ w ࠨ্ʹ࣋ͬͯߦͬͨϓϨΠϠͷউͪ
!3
!4
!5 Corner the Queen ϓϨΠϠʔ̍ ͷλʔϯ
!6 Corner the Queen ϓϨΠϠʔ̍ ͷλʔϯ
!7 Corner the Queen ϓϨΠϠʔ ͷλʔϯ
!8 Corner the Queen ϓϨΠϠʔ̍ ͷλʔϯ
!9 Corner the Queen ϓϨΠϠʔ̍ ͷউͪ
!10 x y
!11 x y ࠲ඪ
Y Z
!12 ඞউ๏Λߟ͑Δ্ͰɺGrundyΛ༻͍Δɻ
!13 Mex ({ G(u, v); (u,v)∈move(x, y) }) G(x,y)= G(0,0)=0
!14 Mex ({ G(u, v); (u,v)∈move(x, y) }) G(x,y)= G(0,0)=0
!15 move ({x, y}) {x, y}͔Β ̍λʔϯͰߦ͚Δશͯͷ߹ͷू߹ G({x,y})= Mex ({
G({u, v})}; {u,v}∈move({x, y}))
!16 Mex (A) ू߹A ʹଘࡏ͠ͳ͍࠷খͷඇෛ G({x,y})= Mex ({ G({u, v})};
{u,v}∈move({x, y})).
!17 0 0 1 2 3 4 1 2 3
4 ఆٛΑΓ( 0
!18
!19
!20 ߦ͖ઌʹͳ͍ ࠷খͷඇෛ
!21 ͜ͷ߹̌Λআ͘ ࠷খͷඇෛ
!22 Grundy 1ͱͳΔ
!23
!24
!25
!26
!27
!28
!29
!30
!31
!32
!33
!34
!35
!36
!37
!38
!39
!40
!41
!42
!43
!44
!45
!46 0 ͔Β 0
Ҏ֎ͷ
!47
̌Ҏ֎͔Β̌ಈ͚Δ
!48 0 1 2 3 4 5 1 2 0
4 5 3 2 0 1 5 3 4 3 4 5 6 2 0 4 5 3 2 7 6 5 3 4 0 6 8
!49 0ޙखඞউϙδγϣϯ
!50 x<yͷͱ͖ (Floor[φ*n] ,Floor[φ*n]+n) n=0,1,2… x≥yͷͱ͖ (Floor[φ*n] ,Floor[φ*n]+n) n=0,1,2… ͨͩ͠ɺφΛԫۚൺͱ͢Δ
!51 ཾഅ ΓΎ͏· Λ༻͍ͨ Δ
!52
!53
!54 ΞϓϦͷઆ໌
!55 0 1 2 3 4 5 1 2 0
4 5 3 2 0 1 5 3 4 3 4 5 6 2 0 4 5 3 2 7 6 5 3 4 0 6 8 0 1 2 3 4 5 1 2 0 4 5 3 2 0 1 5 3 4 3 4 5 6 2 0 4 5 3 2 7 6 5 3 4 0 6 8 5⊕5=0ɹͳͷͰɺ ޙखඞউʹͳΔɻ
!56 0 1 2 3 4 5 1 2 0
4 5 3 2 0 1 5 3 4 3 4 5 6 2 0 4 5 3 2 7 6 5 3 4 0 6 8 0 1 2 3 4 5 1 2 0 4 5 3 2 0 1 5 3 4 3 4 5 6 2 0 4 5 3 2 7 6 5 3 4 0 6 8 5⊕4=1ɹͳͷͰɺ ޙखඞউͰͳ͍ɻ