一类半线性椭圆问题的瀑布型多重网格法 |
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引用本文: | 禹海雄,孙哲. 一类半线性椭圆问题的瀑布型多重网格法[J]. 湖南农业大学学报(自然科学版), 2011, 38(8): 79-81 |
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作者姓名: | 禹海雄 孙哲 |
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作者单位: | (1湖南大学 数学与计量经济学院,湖南 长沙410082;2江西师范大学 数学与信息科学学院,江西 南昌330022) |
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摘 要: | 采用瀑布型多重网格法求解一类半线性椭圆问题.在适当条件下,证明了该算法具有能量范数意义下最优收敛阶和拟最优计算复杂度.
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关 键 词: | 非线性方程; 半线性椭圆问题 Lipschitz连续 瀑布型多重网格 |
On the Convergence of a Cascadic Multigrid Method for a Kind of Semilinear Elliptic Problems |
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Affiliation: | (1.College of Mathematics and Econometrics, Hunan Univ, Changsha, Hunan410082, China;2. College of Mathematics and Information Science, Jiangxi Normal Univ, Nanchang, Jiangxi330022, China) |
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Abstract: | A cascadic multigrid method was applied to solve a kind of semilinear elliptic problems.Under suitable conditions,it has been proved that the algorithm has optimal order of convergence in energy norm and quasi-optimal computational complexity. |
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Keywords: | nonlinear equations semilinear elliptic problem Lipschitz continuous cascadic multigrid |
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