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Version du 15 décembre 2020 à 19:11
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Définition
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Anglais
Vector
A vector is a mathematical object that encodes a length and direction. Conceptually they can be thought of as representing a position or even a change in some mathematical framework or space. More formally they are elements of a vector space: a collection of objects that is closed under an addition rule and a rule for multiplication by scalars.
A vector is often represented as a 1-dimensional array of numbers, referred to as components and is displayed either in column form or row form. Represented geometrically, vectors typically represent coordinates within a n-dimensional space, where n is the number of dimensions. A simplistic representation of a vector might be a arrow in a vector space, with an origin, direction, and magnitude (length).
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