identity function - Wiktionary, the free dictionary

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English

Noun

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identity function

identity function (plural identity functions)

(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