Concept information
Término preferido
random walk
Definición
- 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 Z 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. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Random_walk)
Concepto genérico
etiqueta alternativa (skos)
- random walk model
En otras lenguas
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francés
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marche au hasard
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modèle de marche aléatoire
URI
http://data.loterre.fr/ark:/67375/MDL-L4159X78-H
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