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2013-05-23 12:21
求翻译：where ∆Wt+τ= Wt+τ −Wt and t ∈ {0, τ, 2τ, . . .}. For convenience we may think of τ = 2−j as a sequence of embedded refinements for a continuous-time approximation realized when j becomes arbitrarily large. Whenever we use the time index t in a discrete-time model with period length τ , we have in mind t ∈ {0, τ, 2τ, . .是什么意思？ 待解决
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where ∆Wt+τ= Wt+τ −Wt and t ∈ {0, τ, 2τ, . . .}. For convenience we may think of τ = 2−j as a sequence of embedded refinements for a continuous-time approximation realized when j becomes arbitrarily large. Whenever we use the time index t in a discrete-time model with period length τ , we have in mind t ∈ {0, τ, 2τ, . .
问题补充： |
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