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67 строки
418 B
Plaintext
67 строки
418 B
Plaintext
L - probability of the left move
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R - probability of the right move
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S - probability of staying
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After 1 move:
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S
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P_1 = S
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After 2 moves:
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SS
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LR
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RL
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P_2 = S^2 + 2*LR
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After 3 moves:
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SSS
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SLR
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LSR
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LRS
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SRL
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RSL
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RLS
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P_3 = S^3 + 2*3*LRS = S^3 + 2*?
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After 4 moves:
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SSSS
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SSLR
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SSRL
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SLSR
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SRSL
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SLRS
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SRLS
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LSSR
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RSSL
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LSRS
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RSLS
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LRSS
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RLSS
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LRLR
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LLRR
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RLRL
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RRLL
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P_4 = S^4 + 12*LRS^2 + 4*L^2*R^2
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After 5 moves:
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SSSSS
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.....
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