perturbation quantity

perturbation quantity

[‚pər·tər′bā·shən ‚kwän·əd·ē]
(physics)
Any characteristic of a system which may be assumed to be a perturbation from an established value.
References in periodicals archive ?
The emerging non-linear differential equation doesn't contain any small or large parameter called the perturbation quantity.
The emerging non- linear differential equation doesn't contain any small or large parameter called the perturbation quantity.