Perturbation

Look up perturbation or perturb in Wiktionary, the free dictionary.

Perturbation or perturb may refer to:

Perturbation theory, mathematical methods that give approximate solutions to problems that cannot be solved exactly
Perturbation (geology), changes in the nature of alluvial deposits over time
Perturbation (astronomy), alterations to an object's orbit—e.g., caused by gravitational interactions with other bodies
Perturbation theory (quantum mechanics), a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one
Perturbation (biology), an alteration of the function of a biological system, induced by external or internal mechanisms
Perturbation (transport), operation of a transport system outside of timetable such that delays in arrival and departure from defined locations are present.
Perturbation function, mathematical function which relates the primal and dual problems.

See also