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单词 GaussianProcess
释义

Gaussian process


A stochastic processMathworldPlanetmath {X(t)tT} is said to bea Gaussian process if all of the members of its f.f.d.(family of finite dimensional distributions) are joint normaldistributions. In other words, for any positive integer n<,and any t1,,tnT, the joint distributionPlanetmathPlanetmath of randomvariablesMathworldPlanetmath X(t1),,X(tn) is jointly normal.

As an example, any Wiener processMathworldPlanetmath is Gaussian.

Remark. Sometimes, a Gaussian process is known as a Gaussian random field if T is a subset, usually an embedded manifold, of m, with m>1.

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更新时间:2025/5/4 21:41:50