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SYSTEMS OF DIFFERENCE EQUATIONS APPROXIMATING THE LORENZ SYSTEM OF DIFFERENTIAL EQUATIONS

机译:近似LORENZ微分方程组的微分方程组

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摘要

Во овоj труд од Лоренцовиот систем диференциjални равенки се добиени системи диференцни равенки. Kористеjки некои регуларности во овие ситеми од диференцни равенки, добиени се полиномни апроксимации на нивните решениjа. Земаjки ги овие ап-роксимации како коефициенти, добиени се три степенски реда и со компjутерски пресмет-ки е проверувано дека тие даваат локална апроксимациjа на решениjата на Лоренцовиот систем диференциjални равенки.%In this paper, starting from the Lorenz system of differential equations, some systems of difference equations are produced. Using some regularities in these systems of difference equations, polynomial approximations of their solutions are found. Taking these approximations as coefficients, three power series are obtained and by computer calculations is examined that these power series are local approximations of the solutions of the starting Lorentz system of differential equations.
机译:本文从Lorentz系统微分方程组中获得了微分方程组。使用这些微分方程组中的一些规则性,可以获得其解的多项式逼近。以这些近似为系数,获得了一个三步序列,并通过计算机计算检查了它们是否给出了对微分方程的Lorentz系统解的局部近似。%本文从微分方程的Lorenz系统开始,产生了差分方程系统。使用这些差分方程组中的一些规则性,可以找到其解的多项式逼近。以这些近似为系数,获得了三个幂级数,并通过计算机计算检查了这些幂级数是微分方程的初始Lorentz系统解的局部近似。

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