« Characteristic Functions » : différence entre les versions

Dernière version du 29 janvier 2024 à 13:40

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-==en construction==
+#REDIRECTION[[Fonction caractéristique]]
-== Définition ==
+[[Catégorie:ENGLISH]]
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-== Français ==
+==Sources==
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-== Anglais ==
-''' Characteristic Functions'''
-Characteristic functions are an alternative method to simplify probability function distributions instead of calculating the density functions directly. When a random variable has any probability density function, then the “characteristic function” is simply the Fourier transform of the that probability density function.
-This is particularly useful when working with cumulative distribution functions, since this approach generates simple results for the characteristic functions of distributions, defined by the weighted sums of the random variables.
-Characteristic functions can also be defined by vector or matrix-valued random variables, and not just univariate distributions.
-<small>
+[https://fr.wikipedia.org/wiki/Fonction_caract%C3%A9ristique_(probabilit%C3%A9s)  Source : Wikipedia (Fonction caractéristique - probabilités) ]
 [https://deepai.org/machine-learning-glossary-and-terms/characteristic-function  Source : DeepAI.org ]
-[[Catégorie:DeepAI.org]]
-[[Catégorie:vocabulary]]