perturbation theory

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perturbation theory

[‚pər·tər′bā·shən ‚thē·ə·rē]
(mathematics)
The study of the solutions of differential and partial differential equations from the viewpoint of perturbation of solutions.
(physics)
The theory of obtaining approximate solutions to the equations of motion of a physical system when these equations differ by a small amount from equations which can be solved exactly.
References in periodicals archive ?
Using the nonlocal perturbation analysis techniques developed in [8, 9], nonlocal perturbation bounds are then derived.
The dimensions of the structure follow the single perturbation analysis and they can be referred from fig.
The second-order perturbation analysis (SOP) in this study provides with important evidence that the hydrogen bonding in conformer (I) is not a pure electrostatic interaction [23] but also includes electron density delocalization as presented in Table-3, which indicates that the N.
The next step of the GRN approach, perturbation analysis, rests on the ability to alter cells genetically.
A key feature of perturbation analysis is that it finds actions within the agents' skill set, such that recommendations are plausible.
Perturbation analysis of matrix models is an exciting new addition to the population ecologist's toolbox.
The starting point for the perturbation analysis is the two-dimensional flow driven by uniform flow in the primary slot.
Applying DEDS and perturbation analysis to manufacturing was initiated by researchers such as Cohen et al.
We give a rigorous extension of the recent perturbation analysis approach to more general discrete event systems.
The perturbation analysis adopted explicitly accounts for the effect of surface translation such that the remaining perturbation/correction terms need only account for the effect of surface deformation.
In this paper we study the perturbation analysis for eigenvalues and eigenvectors of matrix polynomials of degree m
Demographic perturbation analysis explores how population statistics (especially population growth rate [lambda]) respond to changes in the vital rates (survival, growth, development, reproduction, and so on).