(mathematical analysis) The mathematical function of an electromagnetic wave is a measure of the change undergone by the amplitude of the wave as it propagates in a given direction, which is also called the propagation constant.

plural of executive function

Any of the higher mental functions that manage cognitive processes.

plural of stress function

plural of real function

plural of distribution function

(physics) A function that finds a more tractable method for the elastic equations that describe the deformation of an elastic body subject only to boundary surface forces.

(mathematics) a completely multiplicative function on the positive integers that is defined as equal to one for a special value and zero otherwise:

(astronomy, mathematics) A relationship that describes the mass distribution.

plural of unit function