random walk

noun

Definition of random walk

: a process (such as Brownian motion or genetic drift) consisting of a sequence of steps (such as movements or changes in gene frequency) each of whose characteristics (such as magnitude and direction) is determined by chance

Examples of random walk in a Sentence

Recent Examples on the Web Hosts Joe Weisenthal and Tracy Alloway take you on a not-so-random walk through hot topics in markets, finance, and economics. Joe Weisenthal, Bloomberg.com, 24 Dec. 2020 Biologists can use random walks to model how animals move and behave. Caroline Delbert, Popular Mechanics, 30 Mar. 2020 Every week, hosts Joe Weisenthal and Tracy Alloway take you on a not-so-random walk through hot topics in markets, finance, and economics. Joe Weisenthal, Bloomberg.com, 19 May 2020 This team identified a key geometry idea that unites some random walks and sets others apart. Caroline Delbert, Popular Mechanics, 30 Mar. 2020 How does that affect the number of blocks walked, and the random walk formula? Quanta Magazine, 18 Aug. 2016 This happens because, in each iteration of stochastic gradient descent, more or less accidental correlations in the training data tell the network to do different things, dialing the strengths of its neural connections up and down in a random walk. Quanta Magazine, 21 Sep. 2017 Lessman-Moss has been inspired partly by a weaving program that incorporated the mathematics of random walks. Grant Segall, cleveland.com, 19 Sep. 2019 Actually, a camera shake is very similar to a random walk. Adam Rogers, WIRED, 10 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'random walk.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of random walk

1905, in the meaning defined above

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The first known use of random walk was in 1905

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Dictionary Entries Near random walk

random variable

random walk

randori

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Cite this Entry

“Random walk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/random%20walk. Accessed 28 Oct. 2021.

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Britannica.com: Encyclopedia article about random walk

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