walsh-function method

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• Walsh function — In mathematical analysis, the set of Walsh functions form an orthogonal basis of the square integrable functions on the unit interval. The functions take the values 1 and 1 only, on sub intervals defined by dyadic fractions. They are useful in… …   Wikipedia

• Walsh diagram — of an HAH molecule. Walsh diagrams, often called angular coordinate diagrams or correlation diagrams, are representations of calculated orbital energies of a molecule versus a distortion coordinate, used for making quick predictions about the… …   Wikipedia

• Duckworth–Lewis method — This article is about the cricketing term. For the Irish pop group, see The Duckworth Lewis Method. In the sport of cricket, the Duckworth–Lewis method (D/L method) is a mathematical formulation designed to calculate the target score for the team …   Wikipedia

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• Hadamard matrix — In mathematics, a Hadamard matrix is a square matrix whose entries are either +1 or −1 and whose rows are mutually orthogonal. This means that every two different rows in a Hadamard matrix represent two perpendicular vectors. Such matrices can… …   Wikipedia

• Casiotone — refers to a series of home electronic keyboards released by Casio Computer Co. in the early 1980s. These first keyboards used a sound synthesis technique known as Vowel Consonant synthesis to approximate the sounds of other instruments (albeit… …   Wikipedia

• police — /peuh lees /, n., v., policed, policing. n. 1. Also called police force. an organized civil force for maintaining order, preventing and detecting crime, and enforcing the laws. 2. (used with a pl. v.) members of such a force: Several police are… …   Universalium

• metaphysics — /met euh fiz iks/, n. (used with a sing. v.) 1. the branch of philosophy that treats of first principles, includes ontology and cosmology, and is intimately connected with epistemology. 2. philosophy, esp. in its more abstruse branches. 3. the… …   Universalium

• Glossary of contract bridge terms — These terms are used in Contract bridge[1][2] , or the earlier game Auction bridge, using duplicate or rubber scoring. Some of them are also used in Whist, Bid whist, and other trick taking games. This glossary supplements the Glossary of card… …   Wikipedia

• Schema (Kant) — In Kantian philosophy, a schema (plural: schemata ) is the procedural rule by which a category or pure, non empirical concept is associated with a mental image of an object. It is supposedly produced by the imagination through the pure form of… …   Wikipedia

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium