- characteristic function
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Math.1. a function defined on a given set, having value 1 for every element of the set and value 0 for every element not contained in the set.2. See characteristic polynomial.[1875-80]
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Universalium. 2010.
characteristic function
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characteristic function — noun A function which is equal to 1 for all points in its domain which belong to a given set, and is equal to 0 for all points in the domain which do not belong to that given set. The characteristic function of a set A is often represented as… … Wiktionary
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Characteristic function (probability theory) — The characteristic function of a uniform U(–1,1) random variable. This function is real valued because it corresponds to a random variable that is symmetric around the origin; however in general case characteristic functions may be complex valued … Wikipedia
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characteristic function — noun : eigenfunction … Useful english dictionary
Characteristic — (from the Greek word for a property or attribute (= trait) of an entity) may refer to: In physics and engineering, any characteristic curve that shows the relationship between certain input and output parameters, for example: I V or current… … Wikipedia
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Characteristic state function — The characteristic state function in statistical mechanics refers to a particular relationship between the partition function of an ensemble. In particular, if the partition function P satisfies P = exp( − βQ) or P = exp( + βQ) in which Q is a… … Wikipedia
