inverse function

Definitions of inverse function

1. 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
   type of:

   function, map, mapping, mathematical function, single-valued function

   (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)