Dictionary

contravariant en · ADJ

Pronunciation

• (US) audio

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- English variant English contravariant From contra- + variant.

Meanings

1. (not-comparable, of a functor) Which reverses the order of morphism composition: formally, which associates each morphism f:X→Y to a morphism F(f):F(Y)→F(X).
2. (not-comparable, qualifier:object-oriented programming) Using or relating to contravariance.
3. (not-comparable, of a vector) Scaling inversely with a change of basis.

Antonyms

covariant

Deriveds

contravariantly · contravector

Translations (9)

fr contravariant (relating to contravariance) · de kontravariant (which reverses composition) · ro contravariant (which reverses composition) · pt contravariante (which reverses composition) · de kontravariant (relating to contravariance) · sv kontravariant (which reverses composition) · fr contravariant (which reverses composition) · fi kontravariantti (relating to contravariance) · fi kontravariantti (which reverses composition)

contravariant en · NOUN

Pronunciation

• (US) audio

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- English variant English contravariant From contra- + variant.

Meanings

1. A bihomogeneous polynomial in dual variables of x, y, ... and the coefficients of some homogeneous form in x, y, ... that is invariant under some group of linear transformations.

Forms

Translations (1)

fi kontravariantti (translation)