摘要
本文介绍移位的Legendre多项式,并用它表示任意的绝对可积函数,通过加权残值法,求得常系数线性非齐次微分方程的数值解,方法简单,精确度较好。
In this paper, the shifted legendre polynomial for expressing any absolutely in tegrable function is introduced. The solution of the linear inhomogeneous differential equation with invariable coefficient is obtained with the method of weighted residuals. The computation algorithm is simple, straight forward and the computation results are accurate.
出处
《洛阳工学院学报》
1991年第3期74-80,共7页
Journal of Luoyang Institute of Technology
关键词
正交多项式
线性
微分方程
数值解
Orthogonal polynomial, ordinary differential equations, weighted residual method, numerical solution.
