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Sur les fonctions génératrices de Laplace. - MaRDI portal

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Sur les fonctions génératrices de Laplace. (Q566665)

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scientific article; zbMATH DE number 2550665
Language Label Description Also known as
English
Sur les fonctions génératrices de Laplace.
scientific article; zbMATH DE number 2550665

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    Sur les fonctions génératrices de Laplace. (English)
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    1932
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    \(\alpha \) sei eine Zufallsvariable, die die diskreten reellen Werte \(\alpha _i\) \((i=1,2,\dots,m)\) mit den Wahrscheinlichkeiten \(\varphi (\alpha _i)\) annehmen kann. Die Erwartungswerte \[ \mathfrak E(\alpha ^n)\text{ und }\mathfrak E\left (\alpha -\mathfrak E(\alpha )\right )^2 \] werden durch die \textit{Laplace}sche erzeugende Funktion \[ f(u)\equiv \sum _{i=1}^\infty u^{\alpha _i}\varphi (\alpha _i) \] ausgedrückt.
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