Inverse (mathematics)

mathematical operation or function which undoes the effect of another entity of the same type

Inversion (or finding the inverse) is an idea from mathematics, which is about finding a number, function or mathematical structure which is different from the current one, but which has similar properties. The simplest case of this is negation: Given a positive number, find the negative number which has the same value, except for the sign.

Inversion can refer to the following concepts: