inverse function
noun Date: 1816 a function that is derived from a given function by interchanging the two variables <
y = ∛x is the inverse function of y = x3
>
— compare logarithmic function

New Collegiate Dictionary. 2001.

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• inverse function — n. the function obtained by expressing the independent variable of another function in terms of the dependent variable which is then regarded as an independent variable …   English World dictionary

• Inverse function — In mathematics, if fnof; is a function from A to B then an inverse function for fnof; is a function in the opposite direction, from B to A , with the property that a round trip (a composition) from A to B to A (or from B to A to B ) returns each… …   Wikipedia

• inverse function — noun a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x (Freq. 1) • Hypernyms: ↑function, ↑mathematical function, ↑single valued… …   Useful english dictionary

• inverse function — Math. the function that replaces another function when the dependent and independent variables of the first function are interchanged for an appropriate set of values of the dependent variable. In y = sin x and x = arc sin y, the inverse function …   Universalium

• inverse function — noun A function that does exactly the opposite of another; formally the inverse function of a function exists such that: . Halving is the inverse function of doubling …   Wiktionary

• inverse function — /ɪnvɜs ˈfʌŋkʃən/ (say invers fungkshuhn) noun the mathematical function which replaces another function when the dependent and independent variables of the first function are interchanged. If y is a trigonometrical ratio of the angle x, as y =… …   Australian English dictionary

• inverse function — atvirkštinė funkcija statusas T sritis fizika atitikmenys: angl. inverse function vok. inverse Funktion, f rus. обратная функция, f pranc. fonction inverse, f …   Fizikos terminų žodynas

• inverse function — function which is reached by expressing the dependent variable of one function as the independent variable of another (Mathematics) …   English contemporary dictionary

• inverse function — in′verse func′tion n. math. math. the function that replaces another function when the dependent and independent variables of the first function are interchanged for an appropriate set of values of the dependent variable • Etymology: 1810–20 …   From formal English to slang

• Inverse function theorem — In mathematics, specifically differential calculus, the inverse function theorem gives sufficient conditions for a function to be invertible in a neighborhood of a point in its domain. The theorem also gives a formula for the derivative of the… …   Wikipedia