normal difference
1Normal height — Normal heights are heights above sea level, one of several types of height which are all computed slightly differently. Alternatives are: orthometric heights and dynamic heights. The normal height H * of a point is computed from geopotential… …
2Normal 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 …
3Normal backwardation — The graph depicts how the price of a single forward contract will behave through time in relation to the expected future price at any point time. A contract in backwardation will increase in value until it equals the spot price of the underlying… …
4Normal order — For other uses, see Normal order (disambiguation). In quantum field theory a product of quantum fields, or equivalently their creation and annihilation operators, is usually said to be normal ordered (also called Wick order) when all creation… …
5Normal equation — Equation E*qua tion, n. [L. aequatio an equalizing: cf. F. [ e]quation equation. See {Equate}.] 1. A making equal; equal division; equality; equilibrium. [1913 Webster] Again the golden day resumed its right, And ruled in just equation with the… …
6Difference of Gaussians — In computer vision, Difference of Gaussians is a grayscale image enhancement algorithm that involves the subtraction of one blurred version of an original grayscale image from another, less blurred version of the original. The blurred images are… …
7Normal curve equivalent — In educational statistics, a normal curve equivalent (NCE), developed for the United States Department of Education by the RMC Research Corporation,[1][2] is a way of standardizing scores received on a test. It is defined as (approximately) 50 +… …
8Normal 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 …
9Différence de sexe en japonais parlé — Sexe du locuteur en japonais parlé Le japonais a ceci de particulier par rapport aux autres langues qu il distingue hautement le langage parlé des hommes et des femmes. Ces différences sont visibles chez les enfants dès le plus jeune âge. En… …
10Difference density map — In protein crystallography, a difference density map shows the spatial distribution of the difference between the measured electron density of the crystal and the electron density explained by the current model. Conventionally, they are displayed …
