Executive functions (also known as cognitive control and supervisory attentional system) is an umbrella term for the management (regulation, control) of cognitive processes, including working memory, reasoning, task flexibility, and problem solving as well as planning and execution.
Definition of finite. 1  1a : having definite or definable limits a finite number of possibilitiesb : having a limited nature or existence finite beings. 2  2 : completely determinable in theory or in fact by counting, measurement, or thought the finite velocity of light.
Finite differences. A finite difference is a technique by which derivatives of functions are approximated by. differences in the values of the function between a given value of the independent. variable, say x0, and a small increment (x0+h). For example, from the definition of. derivative,