ORTHOGONAL SPLINE COLLOCATION FOR POISSON'S EQUATION WITH NEUMANN BOUNDARY CONDITIONS

被引:0
|
作者
Bialecki, Bernard [1 ]
Fisher, Nick [2 ]
机构
[1] Colorado Sch Mines, Dept Appl Math & Stat, Golden, CO 80401 USA
[2] Portland State Univ, Dept Math & Stat, Portland, OR 97201 USA
关键词
Poisson's equation; Neumann boundary conditions; orthogonal spline collocation; convergence analysis; matrix decomposition algorithm;
D O I
10.4208/ijnam2023-1036
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We apply orthogonal spline collocation with splines of degree r >= 3 to solve, on the unit square, Poisson's equation with Neumann boundary conditions. We show that the H-1 norm error is of order r and explain how to compute efficiently the approximate solution using a matrix decomposition algorithm involving the solution of a symmetric generalized eigenvalue problem.
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页码:832 / 854
页数:23
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