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Название: Approximate Gaussian Representation of Evolution Equations I. Single Degree of Freedom Nonlinear Equations
Авторы: West B.J., Rovner G., Lindenberg K.
Journal of Statistical Physics, Vol. 30, No. 3, 1983. p. 633-648.
We have developed a generalization of the method of statistical linearization to enable us to describe transient and other nonstationary phenomena obeying stochastic nonlinear differential equations. This approximation technique provides an optimal Gaussian representation with time-dependent parameters. The algorithm specifies a set of ordinary differential equations for the Gaussian parameters in terms of the time-dependent average nonlinearities. We apply the general formalism developed herein for single degree of freedom dissipative systems to a particular example.