ξ 2 = 0.4

ξ 2 = 0.3

ξ 2 = 0.2

n

τ

τ ^

| τ ^ n τ n |

τ ^

| τ ^ n τ n |

τ ^

| τ ^ n τ n |

200

66

70

0.02

69

0.015

64

0.01

500

166

164

0.004

163

0.006

165

0.002

1000

333

330

0.003

333

0

333

0