单词	Lévy Distribution
释义	Lévy Distribution where is the Fourier Transform of the probability for -step addition of random variables.Lévy showed that for to be Nonnegative. The Lévy distribution has infinite varianceand sometimes infinite mean. The case gives a Cauchy Distribution, while gives aGaussian Distribution. See also Cauchy Distribution, Gaussian Distribution
随便看	Double Exponential Integration Double Factorial Double Folium Double-Free Set Double Gamma Function Double Point Double Sixes Double Sum Doublet Function Doubly Even Number Doubly Magic Square Dougall-Ramanujan Identity Dougall's Theorem Doughnut Douglas-Neumann Theorem Dovetailing Problem Dowker Notation Down Arrow Notation Dozen Dragon Curve Dragon Fractal Draughts Drinfeld's Symmetric Space Droz-Farny Circles Drum

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