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  2. Nonlinearity (journal) - Wikipedia

    en.wikipedia.org/wiki/Nonlinearity_(journal)

    Nonlinearity is a peer-reviewed scientific journal published by IOP Publishing and the London Mathematical Society. The journal publishes papers on nonlinear mathematics, mathematical physics , experimental physics , theoretical physics and other areas in the sciences where nonlinear phenomena are of fundamental importance.

  3. Nonlinear system - Wikipedia

    en.wikipedia.org/wiki/Nonlinear_system

    In mathematics and science, a nonlinear system (or a non-linear system) is a system in which the change of the output is not proportional to the change of the input. [1] [2] Nonlinear problems are of interest to engineers, biologists, [3] [4] [5] physicists, [6] [7] mathematicians, and many other scientists since most systems are inherently nonlinear in nature. [8]

  4. Nonlinear regression - Wikipedia

    en.wikipedia.org/wiki/Nonlinear_regression

    In statistics, nonlinear regression is a form of regression analysis in which observational data are modeled by a function which is a nonlinear combination of the model parameters and depends on one or more independent variables. The data are fitted by a method of successive approximations (iterations).

  5. Normalized solution (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Normalized_solution...

    In this article, the normalized solution is introduced by using the nonlinear Schrödinger equation. The nonlinear Schrödinger equation (NLSE) is a fundamental equation in quantum mechanics and other various fields of physics, describing the evolution of complex wave functions. In Quantum Physics, normalization means that the total probability ...

  6. Mathematical model - Wikipedia

    en.wikipedia.org/wiki/Mathematical_model

    Linear vs. nonlinear. If all the operators in a mathematical model exhibit linearity, the resulting mathematical model is defined as linear. A model is considered to be nonlinear otherwise. The definition of linearity and nonlinearity is dependent on context, and linear models may have nonlinear expressions in them.

  7. Nonlinearity (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Nonlinearity_(disambiguation)

    Nonlinear system, in mathematics, represents a system whose behavior is not expressible as a linear function of its descriptors. A nonlinear X-wave (NLX) is a multi-dimensional wave that can travel without distortion. Nonlinearity is a peer-reviewed scientific journal of the Institute of Physics and the London Mathematical Society.

  8. US lawmakers seek to halt weapons sales to UAE, citing Sudan

    www.aol.com/news/us-lawmakers-seek-halt-weapons...

    In October, the Biden administration announced, for example, that it had approved a potential sale of GMLRS and ATACMS munitions, and related support, for $1.2 billion.

  9. Nonlinear functional analysis - Wikipedia

    en.wikipedia.org/wiki/Nonlinear_functional_analysis

    Nonlinear functional analysis is a branch of mathematical analysis that deals with nonlinear mappings. Topics. Its subject matter includes: [1] ...