stochastic process

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Noun1.stochastic process - a statistical process involving a number of random variables depending on a variable parameter (which is usually time)
framework, model, theoretical account - a hypothetical description of a complex entity or process; "the computer program was based on a model of the circulatory and respiratory systems"
Markoff process, Markov process - a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state
random walk - a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance
stationary stochastic process - a stochastic process in which the distribution of the random variables is the same for any value of the variable parameter
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
proces stochastyczny
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References in periodicals archive
But what the Stochastic process showed me was that it doesn't matter what our past is; what matters is our present, because how we live our present can tell us about our future.
An adapted continuous stochastic process [U.sub.t] (resp., [L.sub.t]) is an upper (resp., lower) solution of SDE (1) if the inequalities
The second and the third statements are a direct consequence of the definitions of the spaces [M.sup.[gamma].sub.p] and [[??].sup.[gamma].sub.p] and the inequality [mathematical expression not reproducible], which holds for any measurable stochastic process y(t).
In probability theory and related fields, a Markov process (named after the Russian mathematician Andrey Markov), is a stochastic process that satisfies the "memorylessness" property, meaning that one can make predictions for the future of the process based solely on its present state, independently from its history.
We also recall the notions of fuzzy random variable and fuzzy stochastic process. In Section 3, we discuss the RFDEs with impulses.
In 1965, Priestley proposed evolutionary stochastic process [5] theory in which a nonstationary process is converted to an integral of a stationary process and a deterministic modulation function, and then, the time-varying spectrum density of the nonstationary process is obtained from the spectrum density of the stationary process, and a method of describing the characteristics of the spectrum of a nonstationary process and a model of nonstationary ground motion is created.
A stochastic process x : I x J x [OMEGA] [right arrow] [R.sup.d] is said to be {[F.sub.s,t]}-adapted, if [x.sub.s,t] : [OMEGA] [right arrow] [R.sup.d] is an [F.sub.s,t]-measurable random vector for every fixed (s, t) [member of] I x J.
is called a generalized stochastic process on [R.sup.d].
A Stochastic process is a system expressing a phenomenon or experiment developed in some time with random variables.
Pindyck (1999 ) argues that the ADF test is not sufficient to determine the choice of the stochastic process, and recommends using another approach that reflects the series behavior of the feature before price shocks, in that temporary impacts in the series show a behavior of mean reversion.
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