identity function

English

Noun

identity function (plural identity functions)

1. (mathematics) A function whose value is always the same as its independent variable, and for which the codomain equals the domain.

Hypernyms

• inclusion function

Translations

a function whose value is always the same as its independent variable

• Catalan: funció identitat f
• Chinese:

  Mandarin: 恆等式／恒等式 (zh) (héngděngshì)

• Dutch: ^{(please verify)} identiteit (nl) f
• Finnish: identiteettifunktio
• Hebrew: פונקצית זהות f
• Hungarian: identitásfüggvény (hu)
• Icelandic: ^{(please verify)} samsemdarvörpun f
• Romanian: ^{(please verify)} identitate (ro)
• Russian: тожде́ственное отображе́ние n (toždéstvennoje otobražénije)
• Vietnamese: đồng nhất thức