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单词 Martingale difference sequence
释义

Martingale difference sequence

英语百科

Martingale difference sequence

In probability theory, a martingale difference sequence (MDS) is related to the concept of the martingale. A stochastic series X is an MDS if its expectation with respect to the past is zero. Formally, consider an adapted sequence \{X_t, \mathcal{F}_t\}_{-\infty}^{\infty} on a probability space (\Omega, \mathcal{F}, \mathbb{P}). X_t is an MDS if it satisfies the following two conditions:

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更新时间:2025/6/22 22:29:55