Here you will find one or more explanations in English for the word Perturbation.
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Perturbation
Perturbation Per`tur*ba"tion, n. [L. perturbatio: cf. F.
perturbation.]
1. The act of perturbing, or the state of being perturbed;
esp., agitation of mind.
2. (Astron.) A disturbance in the regular elliptic or other
motion of a heavenly body, produced by some force
additional to that which causes its regular motion; as,
the perturbations of the planets are caused by their
attraction on each other. --Newcomb.
Meaning of Perturbation from wikipedia
- Look up
perturbation or
perturb in Wiktionary, the free dictionary.
Perturbation or
perturb may
refer to:
Perturbation theory,
mathematical methods that...
- In
mathematics and
applied mathematics,
perturbation theory comprises methods for
finding an
approximate solution to a problem, by
starting from the exact...
- In
quantum mechanics,
perturbation theory is a set of
approximation schemes directly related to
mathematical perturbation for
describing a complicated...
-
Phase perturbation is the shifting, from
whatever cause, in the
phase of an
electronic signal. The
shifting is
often quite rapid, and may
appear to be...
- In mathematics, an
eigenvalue perturbation problem is that of
finding the
eigenvectors and
eigenvalues of a
system A x = λ x {\displaystyle Ax=\lambda...
- In
mathematical optimization, the
perturbation function is any
function which relates to
primal and dual problems. The name
comes from the fact that any...
- In astronomy,
perturbation is the
complex motion of a m****ive body
subjected to
forces other than the
gravitational attraction of a
single other m****ive...
- Møller–Plesset
perturbation theory (MP) is one of
several quantum chemistry post-Hartree–Fock ab
initio methods in the
field of com****tional chemistry...
- In mathematics, a
singular perturbation problem is a
problem containing a
small parameter that
cannot be
approximated by
setting the
parameter value to...
-
cosmological perturbation theory is the
theory by
which the
evolution of
structure is
understood in the Big Bang model.
Cosmological perturbation theory may...
