English-Finnish translations for inverse function

• käänteisfunktio

Definition of inverse function

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

Examples

• Halving is the inverse function of doubling
• If an inverse function exists for a given function, then it is unique
• The inverse function of an inverse function is the original function

Related words

• inverse trigonometric function
• inverse hyperbolic functions
• inverse Ackermann function