- Perturbation refers to12:
- The action of perturbing or the state of being perturbed.
- A disturbance of motion, course, arrangement, or state of equilibrium, especially a disturbance of the regular and usually elliptical course of motion of a celestial body that is produced by some force additional to that which causes its regular motion.
- Alterations to an object's orbit caused by gravitational interactions with other bodies.
- A set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Definition of perturbation. 1 : the action of perturbing : the state of being perturbed. 2 : a disturbance of motion, course, arrangement, or state of equilibrium especially : a disturbance of the regular and usually elliptical course of motion of a celestial body that is produced by some force additional to that which causes its regular motion.
www.merriam-webster.com/dictionary/perturbationPerturbation (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
en.wikipedia.org/wiki/Perturbation Perturbation Definition & Meaning - Merriam-Webster
WEBPerturbation is the action of perturbing or the state of being perturbed. It can also refer to a disturbance of motion, course, arrangement, or state of equilibrium of a celestial body or other object. See synonyms, examples, history, and related words of perturbation.
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Perturbation theory - Wikipedia
In mathematics and applied mathematics, perturbation theory comprises methods for finding an approximate solution to a problem, by starting from the exact solution of a related, simpler problem. A critical feature of the technique is a middle step that breaks the problem into "solvable" and "perturbative" parts. In perturbation theory, the solution is expressed as a power series in a small parameter . The first term is the known solution to the solvable problem. Successive terms in th…
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