inverse function

Meaning

Noun

For a given function f, another function, denoted f⁻¹, that reverses the mapping action of f; given a function $f: X\rightarrow Y$ , a function $g: Y\rightarrow X$ such that, $\forall x\in X,\ f(x) = y \implies g(y)=x$ .

Related

Similar words

anti-function

Modern English dictionary

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