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arXiv 0901.2031math-phmath.MP
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可解线性微分方程组

Solvable Systems of Linear Differential Equations

Katherine M. Robertson, Nasser Saad

摘要:

渐近迭代法(AIM)是一种迭代技术,用于找到二阶线性微分方程的精确和近似解。在这项工作中,我们采用AIM解决两个一阶线性微分方程组。AIM的终止标准将被重新审视,整个理论将重新工作,以适应这一新的应用。作为我们的调查结果,一个有趣的线性系统的解决方案和黎卡提方程的解决方案之间的联系建立。进一步,得到了一类新的变系数线性微分方程组的精确可解性。所讨论的方法允许通过一个简单的过程来构造许多可解类。

英文摘要:

The asymptotic iteration method (AIM) is an iterative technique used to find exact and approximate solutions to second-order linear differential equations. In this work, we employed AIM to solve systems of two first-order linear differential equations. The termination criteria of AIM will be re-examined and the whole theory is re-worked in order to fit this new application. As a result of our investigation, an interesting connection between the solution of linear systems and the solution of Riccati equations is established. Further, new classes of exactly solvable systems of linear differential equations with variable coefficients are obtained. The method discussed allow to construct many solvable classes through a simple procedure.

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