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第二类Fredholm积分方程的一个基于插值的自适应解法(英文)
An interpolation-based adaptive solution method for Fredholm integral equations of the second kind
【摘要】 考虑核函数有弱奇性的第二类Fredholm积分方程的自适应数值解法, 讨论如何对核函数进行分片多项式插值逼近, 如何确定相关的参数,最后给出数值例子说明自适应解法的可行性.
【Abstract】 An adaptive method for the numerical solution of Fredholm integral equations of the second kind with weakly singular kernel is proposed. The approximation of weakly singular kernel functions with piece-wise interpolating polynomi- als and the determination of relevant parameters are discussed. Numerical examples are given to illustrate the feasibility of our adaptive method.
【关键词】 Fredholm积分方程;
快速矩阵-向量乘法;
GMRES方法;
自适应解法;
多项式插值;
【Key words】 Fredholm integral equations; fast matrix-vector multiplication; GMRES method; adaptive algorithm; poly- nomial interpolation;
【Key words】 Fredholm integral equations; fast matrix-vector multiplication; GMRES method; adaptive algorithm; poly- nomial interpolation;
【基金】 Supported in part by the Natural Science Foundation of China(10271070)
- 【文献出处】 黑龙江大学自然科学学报 ,Journal of Natural Science of Heilongjiang University , 编辑部邮箱 ,2004年04期
- 【分类号】O241.8
- 【被引频次】2
- 【下载频次】92