random walk

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random walk

[′ran·dəm ′wȯk]
(mathematics)
A succession of movements along line segments where the direction and possibly the length of each move is randomly determined.
References in periodicals archive ?
To examine behavior in an unconstrained case of an infinitely large tank and to test the effect of different angle and step distributions, we simulated random walks based on the same models used to fit observed Aquilonastra anomala movements.
Specifically, when the random walk reaches a vertex v, that there are three options for the walker: (a) continue the random walk to the neighbors of v, (b) abandon the random walk or (c) stop the walk and emit a confidence according to prior knowledge.
In the EDFC strategy, encoding procedure is only performed after all random walks are finished.
Keywords: random walk, market efficiency, information, capital markets.
The aim of this paper is to point out observations that the results of a random walk on G, combined with the results on open book decompositions and closed braids, lead to various interesting and non-trivial properties on random open books and closed braids.
WOESS, Random walks on infinite graphs and groups, Cambridge Tracts in Mathematics (2000).
Bachelier characterized stock market speculation as "fair game" (or Martingale property) of an unbiased random walk wherein no speculator could earn excess returns due to random price fluctuations.
Techniques such as Random Walk [5], Restricted Random Walk [6], Breadth-First Search [7], Intelligent BFS [8], Depth-First Search [9], Adaptive Probabilistic Search [10], Blackboard Resource Discovery Mechanism [11] are explained briefly in the following subsections.
The main purpose of the present study is to test the random walk hypothesis that past prices cannot be used to predict the future price movements.
In this manuscript, we investigate how it is possible to get different diffusive regimes from the Continuous Time Random Walk (CTRW).
2006) found that Czech Republic, Hungary, Poland and Russia were not weak-form efficient, but Greece, Slovakia, and Turkey followed the random walks.
Random walk intersections; large deviations and related topics.