dictionary · eo1.org

inverse function

Fetched 2026-10-26 (cache).

Synonyms: inverse functions

Antonyms: inverse functions

Related words from Datamuse; suggestions, not definitions.

Noun

  1. {{lb|en|mathematics}} For a given [[function]] ''f'', another function, denoted ''f''<sup>−1</sup>, that reverses the mapping action of ''f''; {{lb|en|formally}} given a function <math>f: X\rightarrow Y</math>, a function <math>g: Y\rightarrow X</math> such that, <math>\forall x\in X,\ f(x) = y \implies g(y)=x</math>. {{C|en|Functions}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.