本文主要研究了应用谱方法求解线性变系数中立型变延迟微分方程,构造了相应的基于Chebyshev和Legendre正交多项式的数值方法,证明了其收敛性,最后给出了数值算例.这些结果表明应用谱方法求解延迟微分方程可以获得谱收敛与谱精度的计算效果.
This paper mainly studies the application spectral method algorithm for the linear variable neutral delay differential equation with variable coefficient, gives corresponding numerical method based on the Chebyshev and Legendre orthogonal polynomial, prove the convergence, and presents several numerical examples. These results show that application spectrum method for delay differential equations can obtain spectral convergence and spectral precision.