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random walk

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mathematical formalization of a path that consists of a succession of random steps

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Random walks
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Encyclopedic overview

Five eight-step random walks from a central point. Some paths appear shorter than eight steps where the route has doubled back on itself. (animated version)

In mathematics, a random walk is a stochastic process that describes a path that consists of a succession of random steps on some mathematical space.

Excerpted from Wikipedia’s “random walk” article, available under the CC BY-SA 4.0 licence.