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Development of the Normal Spline Method for Linear Integro-Differential Equations

机译:线性积分微分方程法线样条法的发展

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摘要

The normal spline method is developed for the initial and boundary-value problems for linear integro-differential equations, probably being unresolved with respect to the derivatives, in Sobolev spaces of the arbitrary smoothness. It allows to solve a high-order systems without the reduction to first-order ones. The solving system can be arbitrary degenerate (with high differentiation index or irreducible to normal form). The method of nonuniform collocation grid creation for stiff problems is offered. Results of numerical solution to test problems are demonstrated.
机译:在任意光滑度的Sobolev空间中,针对线性积分-微分方程的初值和边值问题开发了法线样条法,该问题可能相对于导数尚未解决。它允许解决高阶系统而无需还原为一阶系统。求解系统可以是任意退化的(具有高微分指数或无法归结为正态形式)。提供了用于刚性问题的非均匀搭配网格创建方法。证明了测试问题的数值解的结果。

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