Back دالة مطابقة Arabic Funkcija identiteta BS Funció identitat Catalan Funzioni idantità Corsican Identita (matematika) Czech Çавахла функци CV Identitetsfunktion Danish Identische Abbildung German Ταυτοτική συνάρτηση Greek Identa funkcio Esperanto
In mathematics, an identity function, also called an identity relation, identity map or identity transformation, is a function that always returns the value that was used as its argument, unchanged. That is, when f is the identity function, the equality f(x) = x is true for all values of x to which f can be applied.
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