inverse function

noun

, Mathematics.

1. 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 sine is arc sine.

Word History and Origins

Origin of inverse function¹

First recorded in 1810–20

Example Sentences

France’s rise as a Mediterranean power has been an inverse function of Turkish decline around the same sea.

From New York Times

Escalante brought toys to class: a plastic monkey climbing up and down a pole illustrated the inverse function.

From Scientific American

Thus, if one rotate the rod with one's own hand, one has the feeling that the backward movement of the bands is an inverse function of the increase in velocity of the rod.

From Project Gutenberg