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Efficient spectral-Galerkin methods for systems of coupled second-order equations and their applications

机译:耦合二阶方程组的高效谱-Galerkin方法及其应用

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摘要

We construct in this paper two efficient spectral-Galerkin algorithms for solving systems of n coupled second-order equations. The computational complexity of these algorithms is essentially n times the cost of solving one second-order equation. We present numerical results which illustrate the accuracy and flexibility of these algorithms, as well as several interesting and challenging applications, including in particular a number of high-order nonlinear parabolic type equations.
机译:在本文中,我们构造了两种有效的频谱-Galerkin算法来求解n个耦合的二阶方程组。这些算法的计算复杂度实质上是求解一个二阶方程的成本的n倍。我们提供的数值结果说明了这些算法的准确性和灵活性,以及​​一些有趣且具有挑战性的应用,特别是包括许多高阶非线性抛物线型方程。

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