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arXiv math-ph/0510072math-phmath.MP
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非线性二阶常微分方程的Riccati参数解

Riccati-parameter solutions of nonlinear second-order ODEs

M. A. Reyes, H. C. Rosu

摘要:

Rosu和Cornejo-Perez在2005年证明了,对于一些非线性二阶常微分方程,一旦使用两个一阶微分算子对非线性方程进行因式分解,找到一个特定的解是一个非常简单的任务。在这里,它表明,一个有趣的类参数的解决方案是很容易获得的,如果建议的因式分解有一个特定的形式,这很高兴地证明是在许多问题的物理利益的情况下。我们用几个明确解决的情况下,包括在使用的Riccati方程的一般解决方案,这有助于与一个参数,这类参数的解决方案的方法。对于这些非线性情况,Riccati参数作为从平凡零解到通过因子分解过程找到的特解的“增长”参数

英文摘要:

It has been proven by Rosu and Cornejo-Perez in 2005 that for some nonlinear second-order ODEs it is a very simple task to find one particular solution once the nonlinear equation is factorized with the use of two first-order differential operators. Here, it is shown that an interesting class of parametric solutions is easy to obtain if the proposed factorization has a particular form, which happily turns out to be the case in many problems of physical interest. The method that we exemplify with a few explicitly solved cases consists in using the general solution of the Riccati equation, which contributes with one parameter to this class of parametric solutions. For these nonlinear cases, the Riccati parameter serves as a `growth' parameter from the trivial null solution up to the particular solution found through the factorization procedure

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