求解变系数线性微分方程组的数值自适应方法

Y. Shapovalov, D. Bachyk, Volodymyr-Myron Miskiv, K. Chaban
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引用次数: 0

摘要

提出了一种高精度时变系数线性微分方程组积分的数值自适应方法。该方法的适应性在于,在积分的每一步,都有对结果的细化,这是通过从搜索函数的泰勒级数中添加一定数量的细化项来完成的。根据曲率的不同,这些项的数量是不同的,这决定了方法的适应性。给出了一些例子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical Adaptive Method of Solving the Systems of Linear Differential Equations with Variable Coefficients
a high-precision numerical adaptive method of integration of the systems of linear differential equations with time-varying coefficients is presented in the paper. The adaptability of the method lies in the fact that at each step of the integration, threre is the refinement of the result which is accomplished by adding to it a certain number of refinement terms from a Taylor series for the searched functions. The number of these terms, according to the curvature, is different, which determines the adaptability of the method. Some examples were provided.
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