Definition of Random walk
1. Noun. A stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance.
Definition of Random walk
1. Noun. (mathematics) A stochastic path consisting of a series of sequential movements, the direction (and sometime length) of which is chosen at random ¹
¹ Source: wiktionary.com
Medical Definition of Random walk
1.
A description of the path followed by a cell or particle when there is no bias in movement. The direction of movement at any instant is not influenced by the direction of travel in the preceding period. If changes of direction are very frequent, then the displacement will be small, unless the speed is very great and the object will appear to vibrate on the spot. Although the behaviour of moving cells in a uniform environment can be described as a random walk in the long term, this is not true in the short term because of persistence.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
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Lexicographical Neighbors of Random Walk
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