- 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 mathematics, an
eigenvalue perturbation problem is that of
finding the
eigenvectors and
eigenvalues of a
system A x = λ x {\displaystyle Ax=\lambda...
- In mathematics, a
singular perturbation problem is a
problem containing a
small parameter that
cannot be
approximated by
setting the
parameter value to...
-
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
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...
-
Perturbation (from Latin:
perturbare "to confuse, disorder, disturb", from per- "through" +
turbare "disturb, confuse," from
turba "turmoil, crowd") is...
- Kerr–Schild
perturbations are a
special type of
perturbation to a
spacetime metric which only
appear linearly in the
Einstein field equations which describe...
-
cosmological perturbation theory is the
theory by
which the
evolution of
structure is
understood in the Big Bang model.
Cosmological perturbation theory may...
