normal approximation

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• Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function …   Wikipedia

• normal — I. adjective Etymology: Latin normalis, from norma Date: circa 1696 1. perpendicular; especially perpendicular to a tangent at a point of tangency 2. a. according with, constituting, or not deviating from a norm, rule, or principle b. conforming… …   New Collegiate Dictionary

• Normal mode — For other types of mode, see Mode (disambiguation). Vibration of a single normal mode of a circular disc with a pinned boundary condition along the entire outer edge. See other modes. A normal mode of an oscillating system is a pattern of motio …   Wikipedia

• Normal score — The term normal score is used with two different meanings in statistics. One of them relates to creating a single value which can be treated as if it had arisen from a standard (zero mean, unit variance) normal distribution. The second relates to …   Wikipedia

• normal distribution — Statistics. a theoretical frequency distribution represented by a normal curve. Also called Gaussian distribution. [1895 1900] * * * In statistics, a frequency distribution in the shape of the classic bell curve. It accurately represents most… …   Universalium

• Born-Oppenheimer approximation — In quantum chemistry, the computation of the energy and wavefunction of an average size molecule is a formidable task that is alleviated by the Born Oppenheimer (BO) approximation. For instance the benzene molecule consists of 12 nuclei and 42… …   Wikipedia

• Nombre normal —  Pour l’article homonyme, voir nombre normal (informatique) (en), i.e. nombre qui est dans un intervalle normal de format en virgule flottante.  En mathématiques, un nombre normal est un nombre réel tel que la fréquence d… …   Wikipédia en Français

• Log-normal distribution — Probability distribution name =Log normal type =density pdf μ=0 cdf μ=0 parameters =sigma > 0 infty < mu < infty support = [0,+infty)! pdf =frac{1}{xsigmasqrt{2piexpleft [ frac{left(ln(x) mu ight)^2}{2sigma^2} ight] cdf =frac{1}{2}+frac{1}{2}… …   Wikipedia

• Nombre Normal — En mathématiques, un nombre normal est un nombre réel qui a ses chiffres équidistribués dans son développement décimal, ceux ci apparaissant tous à la même fréquence. Les « chiffres » font référence aux chiffres avant la virgule (la… …   Wikipédia en Français

• Skew normal distribution — In probability theory and statistics, the skew normal distribution is a continuous probability distribution that generalises the normal distribution to allow for non zero skewness.The normal distribution is a highly important distribution in… …   Wikipedia

• Extended Normal Costing — In managerial accounting, a method of tracking production costs based on an approximation of the prices of the inputs multiplied by the actual quantity of inputs used. In normal costing, the actual prices are used for direct labor and direct… …   Investment dictionary