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IEICE TRANSACTIONS on Fundamentals

A Statistical Analysis of Non-linear Equations Based on a Linear Combination of Generalized Moments

Hideki SATOH

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Summary :

A moment matrix analysis (MMA) method can derive macroscopic statistical properties such as moments, response time, and power spectra of non-linear equations without solving the equations. MMA expands a non-linear equation into simultaneous linear equations of moments, and reduces it to a linear equation of their coefficient matrix and a moment vector. We can analyze the statistical properties from the eigenvalues and eigenvectors of the coefficient matrix. This paper presents (1) a systematic procedure to linearize non-linear equations and (2) an expansion of the previous work of MMA to derive the statistical properties of various non-linear equations. The statistical properties of the logistic map were evaluated by using MMA and computer simulation, and it is shown that the proposed systematic procedure was effective and that MMA could accurately approximate the statistical properties of the logistic map even though such a map had strong non-linearity.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.12 pp.3381-3388
Publication Date
2004/12/01
Publicized
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DOI
Type of Manuscript
PAPER
Category
Nonlinear Problems

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