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A computational method for solving third-order singularly perturbed boundary-value problems
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DOI：10.1016/j.amc.2007.09.023.png)
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摘要
En 中文
In this paper, a new computational method is presented for solving a class of third-order singularly perturbed boundary-value problems with a boundary layer at the left of the underlying interval. In this method first the given third-order singularly perturbed boundary-value problem is transformed into a system of two ODEs subject to suitable initial and boundary conditions and a zeroth-order asymptotic expansion for the solution of the given problem is constructed. Then the reduced terminal value problem is solved analytically in the reproducing kernel space. This method is effective and easy to implement. A numerical examples is studied to demonstrate the accuracy of the present method. Results obtained by the method are found to be in good agreement with the exact solution not only in the boundary layer, but also away from the layer. (C) 2007 Elsevier Inc. All rights reserved.
Keyword:
analytical solution
third-order singularly perturbed boundary-value problems
asymptotic expansion
reproducing kernel
期刊
IF:
3.4
论文数:
2.3W
被引数:
3.3W
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