Any process governed by the laws of probability: for example, the Brownian motion of the submicroscopic particles in a colloidal solution (see colloid). Most stochastics involve time: in the case of the particles, the state of the system at a time t is a random variable, x(t). In mathematics, particularly statistics, a stochastic is a family of random variables. The price of a stock is often modeled as a stochastic process.
Related category• SYSTEMS THEORY
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