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Application of He's variational iteration method for solution of the family of Kuramoto–Sivashinsky equations

机译:He变分迭代法在Kuramoto–Sivashinsky方程族求解中的应用

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In this paper, a kind of analytical technique for a non-linear problem called the variational iteration method VIM is used to give approximate solutions for the Kuramoto–Sivashinsky equations. The VIM is to construct correction functionals using general Lagrange multipliers identified optimally via the variational theory. This method constructs a convergent sequence of functions, which approximates the exact solution of problems. Comparisons of the obtained results with exact solutions reveal that this method is very effective and simple and could be applied for non-linear problems.
机译:在本文中,一种用于非线性问题的分析技术,称为变分迭代方法VIM,用于为Kuramoto–Sivashinsky方程提供近似解。 VIM将使用通过变分理论最佳确定的通用拉格朗日乘数来构建校正函数。该方法构造了一个收敛的函数序列,该函数序列近似于问题的精确解。将所得结果与精确解进行比较表明,该方法非常有效且简单,可用于非线性问题。

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