direct multiplication

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• Direct linear transformation — (DLT) is an algorithm which solves a set of variables from a set of similarity relations:   for where and are known vectors, denotes equality up to an unknown scalar multiplication, and …   Wikipedia

• Direct product of groups — Concepts in group theory category of groups subgroups, normal subgroups group homomorphisms, kernel, image, quotient direct product, direct sum semidirect product, wreath product …   Wikipedia

• Direct product — In mathematics, one can often define a direct product of objects already known, giving a new one. This is generally the Cartesian product of the underlying sets, together with a suitably defined structure on the product set. More abstractly, one… …   Wikipedia

• Direct sum of groups — In mathematics, a group G is called the direct sum of a set of subgroups {Hi} if each Hi is a normal subgroup of G each distinct pair of subgroups has trivial intersection, and G = <{Hi}>; in other words, G is generated by the subgroups… …   Wikipedia

• Direct sum of modules — For the broader use of the term in mathematics, see Direct sum. In abstract algebra, the direct sum is a construction which combines several modules into a new, larger module. The result of the direct summation of modules is the smallest general… …   Wikipedia

• Direct limit — In mathematics, a direct limit (also called inductive limit) is a colimit of a directed family of objects . We will first give the definition for algebraic structures like groups and modules, and then the general definition which can be used in… …   Wikipedia

• Complex multiplication — This article is about certain endomorphism rings. For information about multiplication of complex numbers, see complex numbers. In mathematics, complex multiplication is the theory of elliptic curves E that have an endomorphism ring larger than… …   Wikipedia

• Force multiplication — Force multiplication, in military usage, refers to an attribute or a combination of attributes which make a given force more effective than that same force would be without it. The expected size increase required to have the same effectiveness… …   Wikipedia

• Hybride producteur direct — Le nom d hybrides producteurs directs (HPD) correspond à une famille de cépages de cuve comme de table créés par croisement entre vigne européenne (Vitis vinifera) et vignes américaines (Vitis labrusca, Vitis riparia, Vitis rupestris…). Un temps… …   Wikipédia en Français

• CINÉMA DIRECT — Tout type de cinématographie qui entend utiliser la caméra (et le magnétophone) comme moyen d’enregistrement purement mécanique, immédiat, direct, des faits et des choses appartient, en principe, au «cinéma direct». L’idée, liée au caractère… …   Encyclopédie Universelle

• Hybride Producteur Direct — Le nom d hybrides producteurs directs correspond à une famille de cépages créés par croisement entre vigne européenne (Vitis vinifera) et vignes américaines (Vitis labrusca, Vitis riparia, Vitis rupestris...) Sommaire 1 Historique 2 Les… …   Wikipédia en Français