50,082 results for Function

mathworld.wolfram.com/DistributionFunction.html

Distribution Function -- from Wolfram MathWorld

The distribution function D(x), also called the cumulative distribution function (CDF) or cumulative frequency function, describes the probability that a variate X takes on a value less than or equal to a number x. The distribution function is sometimes also denoted F(x) (Evans e…

books.google.com/books?id=VKlWjdOkiMwC&pg=PA583

Hyman's Comparative Vertebrate Anatomy - Libbie Henrietta Hyman - Google Books

The purpose of this book, now in its third edition, is to introduce the morphology of vertebrates in a context that emphasizes a comparison of structire and of the function of structural units. The comparative method involves the analysis of the history of structure in both devel…

mathworld.wolfram.com/NormalDistributionFunction.html

Normal Distribution Function -- from Wolfram MathWorld

A normalized form of the cumulative normal distribution function giving the probability that a variate assumes a value in the range [0,x], Phi(x)=Q(x)=1/(sqrt(2pi))int_0^xe^(-t^2/2)dt. (1) It is related to the probability integral alpha(x)=1/(sqrt(2pi))int_(-x)^xe^(-t^2/2)dt (2)…

mathworld.wolfram.com/NormalProductDistribution.html

Normal Product Distribution -- from Wolfram MathWorld

The distribution of a product of two normally distributed variates X and Y with zero means and variances sigma_x^2 and sigma_y^2 is given by P_(XY)(u) = int_(-infty)^inftyint_(-infty)^infty(e^(-x^2/(2sigma_x^2)))/(sigma_xsqrt(2pi))(e^(-y^2/(2sigma_y^2)))/(sigma_ysqrt(2pi))delta(x…

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