en

Contravariance

ru

Перевод слова "contravariance" на Русский язык

contravariance
Существительное
raiting
contravariance
contravariances множ.
In category theory, contravariance is a property of a functor.
В теории категорий контравариантность является свойством функторов.

Опеределения

contravariance
Существительное
raiting
(mathematics, computing) The property of reversing the usual direction of variation, mapping, or substitution—for example, a type parameter that may be replaced by a supertype or a function that reverses morphisms.
Contravariance in C# delegates lets a method parameter accept instances of a base class instead of a derived class.
(tensor analysis) The characteristic of a vector or tensor component that changes inversely to a change of coordinate basis.
The contravariance of the tangent vector maintains the scalar product under coordinate transformations.