exponential function

noun

, Mathematics.

1. the function y = ex .
2. any function of the form y = bax , where a and b are positive constants.
3. any function in which a variable appears as an exponent and may also appear as a base, as y = x 2x .

Word History and Origins

Origin of exponential function¹

First recorded in 1890–95

Example Sentences

They include familiar operations like sine, cosine and exponential functions, as well as more exotic ones.

From Quanta Magazine