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- Random walks, brownian motion, diffusion. 隨機行走,布朗運動,擴散。
- Small sample properties are derived for the estimator from simple random samples. 我們推導簡單隨機抽樣下該估計值的小樣本性質。
- The usual diffusion random walk treatment does not consider any interaction between the particles. 一般的擴散無規則運動理論並不考慮粒子間的任何作用。
- Apply principles of discrete probability to calculate probabilities and expectations預料 of simple random processes. 能對簡單的隨機過程的機率預測應用離散機率的原理;
- Romeijn, H. Edwin. "Global Optimization by Random Walk Sampling Methods." Amsterdam: Thesis Publishers, 1992. 《隨機漫步取樣方法的整體性最佳化》,阿姆斯特丹:論文出版社,1992。
- Herschel's most persistent objection to Darwin's theory was his feeling that useful new traits could never appear from simple random variation. 赫雪爾對達爾文理論最堅定的反對,在於他覺得有用的新性狀不可能從簡單的隨機變異形成。
- Problem Set 3: Asymptotics of percentile order statistics, non-reversing random walk, self-trapping random walk, self-avoiding random walk. 問題3:有序統計百分數的近似、非可逆隨機漫步、自已誘捕隨機漫步、自已避免隨機漫步。
- The precision and efficiency between ACS and simple random sampling (SRS) are compared based on the case of trees of rare and clumped characteristics. 舉例比較適應性群團抽樣技術和隨機抽樣技術在稀疏群團植被調查中的精度和效率。
- A main characteristic of the random walk and Martingale models is that the returns are uncorrelated. 隨機行走和鞅模型的一個主要特徵是報酬率是不相關的。
- The result of the variance ratio showed that the random walk hypothesis on the wheat futures of ZCE was disproved. 方差比檢驗的研究結果卻表明鄭州小麥期貨市場不滿足有效性假設。
- Two kinds of algorithms are compared and analyzed to calculate the random walk coefficient of RLG. 對比研究了兩種隨機遊走係數的計算方法;
- A general model of random walk in time-random environment in any denumerable space is established. 文章在可數狀態空間中建立了時間隨機環境下隨機遊動的一個廣泛的模型.
- As for application, the model can equivalently describe a type of random walk with finite jumps. 並且作為一個應用,證明了系統的總人口數的期望有限等價於一類隨機遊動具有一個正速度。
- In this work, we have studied the model of random walk with three absorbent boundaries. 本文研究了這種帶有三條吸收壁的有限步隨機遊動模型。
- The analysis also proves that the run test and the random walk test only have the limited power against the EMH. 研究還證明了目前通行的遊程檢驗與隨機遊走模型檢驗在檢驗市場弱式有效性方面存在一定缺陷。
- EMH is established on the following three presuppositions: rational investor, efficient market and random walk process. EMH是建立在理性投資者、市場有效和隨機遊走過程這三個核心前提假定基礎上的。
- This procedure, which may be used in conjunction with simple random, systematic, or cluster sampling, improves the representativeness of a sample, at least in terms of the stratification variables. 抽樣前,將研究母群依據某分層的標準區分成同質的組別,如依據性別、年級將母體先分成同性別與同年級的組別。(母體愈同質,抽樣誤差愈小
- Two algorithms,graph cut and random walk based on graph theory,were applied to motion segmentation. 將兩種基於圖論的演算法圖切割與隨機遊走應用於運動對象的分割。
- The size of a simple random sample needed to produce the same result as the sample actually used by the rating company.ESS is a convenience used for calculating confidence intervals. 能夠產生與視聽率調查公司所使用的樣本同樣效果的簡單隨機抽樣規模.
- In the process of development there are three types of efficient market model: expected return model, random walk model and downside martingale model. 在其發展過程中出現了三種有效市場模型:預期收益模型、隨機遊走模型以及下鞅模型。