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 function, ↑map, ↑mapping
* * *
noun : either of two mathematical functions such that each is the inverse of the other
* * *
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 of sin is arc sine.
[1810-20]
* * *
inverse function,
Mathematics.
1. a function which is the inverse of another function.
2. a function which replaces another function's independent variable with a value of its dependent variable.
Useful english dictionary. 2012.