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poisson
noun
The Poisson distribution.
Exact(59)
THE Transylvanian naked-neck chicken may, to mix bestial metaphors, sound like a poisson d'avril (as the French call an April fool), but it is a real breed, probably originating from the eponymous Romanian region.
Common dishes include thiéboudienne, rice served with a fish and vegetable sauce; yassa au poulet or yassa au poisson, grilled chicken or fish in an onion and lemon sauce; and mafé, a peanut-based stew.
(See the section The law of large numbers, the central limit theorem, and the Poisson approximation).
In France, for example, the fooled person is called poisson d'avril ("April fish"), perhaps in reference to a young fish and hence to one that is easily caught; it is common for French children to pin a paper fish to the backs of unsuspecting friends.
For classical systems that behave non-chaotically, the energy levels of the semi-classical system approximate a Poisson distribution, where small spacings dominate.
Alas, these words were forgotten when Louis XV met Jeanne-Antoinette Poisson, the future Madame de Pompadour.
Lil Buck Charles Rileyy), famous for his YouTube rendition of Camille Saint-Saëns's "The Swan," premiered A Jookin' Jam Session at Manhattan's (Le) Poisson Rouge.
Some basic types of stochastic processes include Markov processes, Poisson processes (such as radioactive decay), and time series, with the index variable referring to time.
Using the Swiss mathematician Jakob Bernoulli's binomial distribution, Poisson showed that the probability of obtaining k wins is approximately λk/eλk!, where e is the exponential function and k! = (k − 1)(k − 2)⋯2∙1.
Noteworthy is the fact that λ equals both the mean and variance (a measure of the dispersal of data away from the mean) for the Poisson distribution.
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During the Revolution he was appointed natural history professor in the study of fishes and reptiles at the relocated Paris Botanical Garden, where he completed the Histoire naturelle des poissons, 5 vol. (1798 1803; "Natural History of Fishes").
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