Card shuffles: Difference between revisions

Content added Content deleted
m (J: simplify overhand shuffle)
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<lang J>NB. cut rotates the deck to an arbitrary position
<lang J>NB. cut rotates the deck to an arbitrary position
overhand=: ;@|.@(<;.1~ 1 , 1 }. %@%:@# > # ?@# 0:)@]^:[
overhand=: (\: [: +/\ %@%:@# > # ?@# 0:)@]^:[


NB. Gilbert–Shannon–Reeds model
NB. Gilbert–Shannon–Reeds model
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6 10 13 8 2 14 15 9 19 3 18 16 11 1 12 17 5 4 0 7
6 10 13 8 2 14 15 9 19 3 18 16 11 1 12 17 5 4 0 7
1 overhand i.20
1 overhand i.20
17 18 19 14 15 16 11 12 13 0 1 2 3 4 5 6 7 8 9 10
17 18 19 13 14 15 16 4 5 6 7 8 9 10 11 12 0 1 2 3
10 overhand i.20
10 overhand i.20
6 0 18 7 9 15 19 17 10 5 16 1 11 12 8 13 14 4 2 3</lang>
15 11 2 4 5 12 16 10 17 19 9 8 6 13 3 18 7 1 0 14</lang>


=={{header|Java}}==
=={{header|Java}}==
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