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 sin is arc sine.
Origin
1810-20
Examples from the web for inverse function
  • inverse function and implicit function theorems are proved.
  • Generally, the duration of the reproductive cycle and the size of liters is an inverse function of individual size.
  • The inverse function concept is best understood by students when it is presented in a familiar, real-world context.
  • Their results show the total time of burning of the belting is an inverse function of the air velocity.