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Что (кто) такое random walk - определение
MATHEMATICAL FORMALIZATION OF A PATH THAT CONSISTS OF A SUCCESSION OF RANDOM STEPS
Random walk theory; Random Walk--1-Dimensional; Random Walk--2-Dimensional; Random Walk--3-Dimensional; Random walk with drift; Random walks; Random walk model; Simple random walk; Ssrw; Simple symmetric random walk; Drunkard's walk (mathematical); Drunken walk; Drunk bird theorem; Drunken bird theorem; Gaussian random walk; Applications of random walks; Increment (probability)
![[[Antony Gormley]]'s ''[[Quantum Cloud]]'' sculpture in London was designed by a computer using a random walk algorithm](https://commons.wikimedia.org/wiki/Special:FilePath/Antony Gormley Quantum Cloud 2000.jpg?width=200 "[[Antony Gormley]]'s ''[[Quantum Cloud]]'' sculpture in London was designed by a computer using a random walk algorithm")
![animated version]])](https://commons.wikimedia.org/wiki/Special:FilePath/Eight-step random walks.png?width=200 "animated version]])")
![Random walk in two dimensions with two million even smaller steps. This image was generated in such a way that points that are more frequently traversed are darker. In the limit, for very small steps, one obtains [[Brownian motion]].](https://commons.wikimedia.org/wiki/Special:FilePath/Random walk 2000000.png?width=200 "Random walk in two dimensions with two million even smaller steps. This image was generated in such a way that points that are more frequently traversed are darker. In the limit, for very small steps, one obtains [[Brownian motion]].")
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random walk
![Cover art for the first edition, which Block has described as "lame" and "science-fictiony".([[sic]])<ref name=Block/>](https://commons.wikimedia.org/wiki/Special:FilePath/Random Walk (Lawrence Block novel - cover art).jpg?width=200 "Cover art for the first edition, which Block has described as \"lame\" and \"science-fictiony\".([[sic]])<ref name=Block/>")
BOOK BY LAWRENCE BLOCK
Random walk theory; Random Walk--1-Dimensional; Random Walk--2-Dimensional; Random Walk--3-Dimensional; Random walk with drift; Random walks; Random walk model; Simple random walk; Ssrw; Simple symmetric random walk; Drunkard's walk (mathematical); Drunken walk; Drunk bird theorem; Drunken bird theorem; Gaussian random walk; Applications of random walks; Increment (probability)
¦ noun Physics a series of movements of an object or changes in a variable that follow no discernible pattern or trend.
Random walk
BOOK BY LAWRENCE BLOCK
Random walk theory; Random Walk--1-Dimensional; Random Walk--2-Dimensional; Random Walk--3-Dimensional; Random walk with drift; Random walks; Random walk model; Simple random walk; Ssrw; Simple symmetric random walk; Drunkard's walk (mathematical); Drunken walk; Drunk bird theorem; Drunken bird theorem; Gaussian random walk; Applications of random walks; Increment (probability)
In mathematics, a random walk is a random process that describes a path that consists of a succession of random steps on some mathematical space.
Continuous-time random walk
RANDOM WALK WITH RANDOM TIME BETWEEN JUMPS
Draft:Continuous-time Random Walk; Continuous-time Random Walk
In mathematics, a continuous-time random walk (CTRW) is a generalization of a random walk where the wandering particle waits for a random time between jumps. It is a stochastic jump process with arbitrary distributions of jump lengths and waiting times.
Branching random walk
STOCHASTIC PROCESS
Branching random-walk
In probability theory, a branching random walk is a stochastic process that generalizes both the concept of a random walk and of a branching process. At every generation (a point of discrete time), a branching random walk's value is a set of elements that are located in some linear space, such as the real line.
Quantum walk
QUANTUM ANALOGUE OF CLASSICAL RANDOM WALKS
Quantum Random Walk; Quantum Random Walks; Quantum random walk
Quantum walks are quantum analogues of classical random walks. In contrast to the classical random walk, where the walker occupies definite states and the randomness arises due to stochastic transitions between states, in quantum walks randomness arises through: (1) quantum superposition of states, (2) non-random, reversible unitary evolution and (3) collapse of the wave function due to state measurements.
Loop-erased random walk
MODEL FOR A RANDOM SIMPLE PATH
Loop erased random walk; LERW; Uniform spanning tree; Uniform Spanning Tree; Wilson's algorithm
In mathematics, loop-erased random walk is a model for a random simple path with important applications in combinatorics and, in physics, quantum field theory. It is intimately connected to the uniform spanning tree, a model for a random tree.
Biased random walk on a graph
AN APPROACH FOR STRUCTURAL ANALYSIS OF A NETWORK WHEN IT IS TOO LARGE OR COMPLEX TO BE ANALYZED BY STATISTICAL METHODS
Biased Random Walks on graph; Biased random walk on graph
In network science, a biased random walk on a graph is a time path process in which an evolving variable jumps from its current state to one of various potential new states; unlike in a pure random walk, the probabilities of the potential new states are unequal.
Random walker algorithm
User:Weishaupt00/Random Walker (Computer Vision); Random Walker (Computer Vision); Random Walker (computer vision); Random walker (computer vision)
The random walker algorithm is an algorithm for image segmentation. In the first description of the algorithm,Grady, L.
Random algebra
MATHEMATICAL THEORY
Random forcing; Random real algebra; Random real
In set theory, the random algebra or random real algebra is the Boolean algebra of Borel sets of the unit interval modulo the ideal of measure zero sets. It is used in random forcing to add random reals to a model of set theory.
Random effects model
TYPE OF STATISTICAL MODEL
Random effects estimation; Random effects estimator; Random-effects models; Random-effect model; Random effect model; Variance components model; Variance components; Random effects; Random effect; Variance component; Random-effects meta-analysis
In statistics, a random effects model, also called a variance components model, is a statistical model where the model parameters are random variables. It is a kind of hierarchical linear model, which assumes that the data being analysed are drawn from a hierarchy of different populations whose differences relate to that hierarchy.
Википедия
Random walk
In mathematics, a random walk is a random process that describes a path that consists of a succession of random steps on some mathematical space.
An elementary example of a random walk is the random walk on the integer number line which starts at 0, and at each step moves +1 or −1 with equal probability. Other examples include the path traced by a molecule as it travels in a liquid or a gas (see Brownian motion), the search path of a foraging animal, or the price of a fluctuating stock and the financial status of a gambler. Random walks have applications to engineering and many scientific fields including ecology, psychology, computer science, physics, chemistry, biology, economics, and sociology. The term random walk was first introduced by Karl Pearson in 1905.
