# nonlinear

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## non·lin·e·ar

(nŏn-lĭn′ē-ər)
1. Not in a straight line.
2. Mathematics
a. Occurring as a result of an operation that is not linear.
b. Containing a variable with an exponent other than one. Used of an equation.
3.
a. Of or relating to a system of equations whose effects are not proportional to their causes. Such a set of equations can be chaotic.
b. Of or relating to a device whose behavior is described by a set of nonlinear equations and whose output is not proportional to its input.
c. Of or relating to the output of such a device.

non·lin′e·ar′i·ty (-âr′ĭ-tē) n.

## nonlinear

(nɒnˈlɪnɪə)
1. not of, in, along, or relating to a line
2. (Film) denoting digital editing in which edits are saved on computer, rather than videotape, thus enabling further edits to be made
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Adj. 1 nonlinear - designating or involving an equation whose terms are not of the first degreemath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangementadditive, linear - designating or involving an equation whose terms are of the first degree
References in periodicals archive ?
For readers who have completed their study of linear elliptic differential equations and intend to explore nonlinear ones, Han discusses quasilinear and fully nonlinear equations, focusing on two important nonlinear elliptic differentials closely related to geometry, the mean curvature equation and the Monge-Ampere equation.
Most of the physical, biological, chemical, economical systems are nonlinear in the real world.
The electromagnetic compatibility modeling inside an electronic system involves several big problems, such as aperture coupling, field-to-transmission line (TL) coupling, nonlinear components modeling which is necessary for circuit simulation.
Wadati: Transformation theories for nonlinear discrete systems, Prog.
Nonlinear waves in integrable and nonintegrable systems.
Nonlinear analysis, an interdisciplinary field combining analysis, topology, and applications, is used to develop models for a variety of phenomena encountered in fields as diverse as engineering, chemistry, and economics.
The nonlinear vector network analyzer (NVNA) technology enables the PNA-X Microwave Network Analyzer to evaluate the nonlinear behaviors of active components.
These include nonlinear effects, such as a toxicity that initially decreases as concentration goes down but eventually increases, producing a U-shaped curve.
Nonlinear modeling and analysis of structures is a complex but important step in the design and optimization of modern structural systems.
While the field of nonlinear microwave circuits is still open to investigations, many basic concepts and design principles are already well established.
Chaos, or nonlinear dynamics, is a young science that is shedding light on an apparent inner order to seemingly random phenomena.
The relationships between Fourier expansions in nonlinear systems with the orthonormal sets are obtained as characteristics functions of Sturm-Liouville systems.

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