# nonlinear system

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## nonlinear system

[′nän‚lin·ē·ər ′sis·təm]
(mathematics)
A system in which the interrelationships among the quantities involved are expressed by equations, some of which are not linear.
(science and technology)
A system in which outputs are not linear functions of vectors whose components represent the inputs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Because of this, in the case of the LRA, fiber non-linearity produced signal impairment (especially FWM produced inter channel crosstalk) were accumulated over a longer span of the HNLF.
Upon finding two structural breaks and, thus, three regimes, we then examine each regime for evidence of threshold non-linearity. Section 4 concludes.
Number of simulations for each response is decided based on linearity or non-linearity of the response.
Before employing smooth transition regression analysis, a linearity test is carried out to identify whether or not the exchange rate volatility exhibit non-linearity. The results show the existence of non-linearity in each series with higher exchange rate volatility in the non-linear regime of the non-dollarized economies as a result of an increase in the global financial stress.
- The non-linearity parameter s causes to reduce the flow and makes the boundary layer thickness increase.
Then all details from D1 to D9 were removed from the original data (assumed as being the sum of all noises and residual periodicities--all frequencies from 2 days up to 3 years) and last approximation analysed in terms of non-linearity. In the previously described research the linearity of the station's velocity was assumed.
In AES, the function of Non-Linearity is achieved by means of the Substitution Bytes step and Add Round Key Transformation.
The differences are due to the standard finite elements' types, appropriate to one or the other system and the number of methods used to implement the non-linearity algorithms.
Dynamic performance of AGC system shows that the electric governor always yields better controlled response compared to mechanical governor with and without GRC non-linearity. Similarly conventional Integral(I), Proportional-Integral(PI) and ACO optimization technique based PID controllers are implemented in AGC system.
To account for possible non-linearity in the generating process of return and following Antoniuo and Ergul (1997), the logistic map equation will be used.
Static equilibrium of both structures and linearly elastic solids is discussed as is non-linearity in materials, transient and coupled problems, steady-state flows of materials, computation of eigenvalues for elastic objects, and forced vibrations.

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