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On generalized 2-step continuous linear multistep method of hybrid type for the integration of second order ordinary differential equations

机译:二阶常微分方程积分的混合型广义两步连续线性多步方法

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This paper proposes a generalized 2-step continuous multistep method of hybrid type for the direct integration of second-order ordinary differential equations in a multistep collocation technique, which yields block methods. The scheme obtained is used as a single continuous form which serves as a family of formula involving (x, s) such that on substitution of an off-step point s a bi-hybrid continuous scheme is obtained. The discrete equivalent is also obtained thereafter from the continuous family of formula as a block method. It was discovered that Numerical schemes of StÖrmer-Cowell type were recovered via this technique. The scheme obtained is implemented to generate the numerical solution to second order ordinary differential equations. The results obtained are compared with the Renowned Numerov method, known to be of optimal
机译:本文提出了一种通用的混合型两步连续多步方法,用于在多步配置技术中直接积分二阶常微分方程,从而产生了块法。所获得的方案用作单一连续形式,其用作涉及(x,s)的分子式系列,从而在替换失步点s时获得双杂交连续方案。此后,也可以从连续的公式族作为分块方法获得离散等效项。发现通过该技术恢复了StÖrmer-Cowell类型的数值方案。实现所获得的方案以生成二阶常微分方程的数值解。将获得的结果与已知的最佳方法进行比较

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