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Nonlinear singular vectors and nonlinear singular values

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Abstract

A novel concept of nonlinear singular vector and nonlinear singular value is introduced, which is a natural generalization of the classical linear singular vector and linear singular value to the nonlinear category. The optimization problem related to the determination of nonlinear singular vectors and singular values is formulated. The general idea of this approach is demonstrated by a simple two-dimensional quasigeostrophic model in the atmospheric and oceanic sciences. The advantage and its applications of the new method to the predictability, ensemble forecast and finite-time nonlinear instability are discussed. This paper makes a necessary preparation for further theoretical and numerical investigations.

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Authors and Affiliations

  1. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, 100029, Beijing, China

    Mu Mu

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  1. Mu Mu
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Correspondence to Mu Mu.

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Mu, M. Nonlinear singular vectors and nonlinear singular values. Sci. China Ser. D-Earth Sci. 43, 375–385 (2000). https://doi.org/10.1007/BF02959448

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  • DOI: https://doi.org/10.1007/BF02959448

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