用USSOR迭代法求解最小二乘问题的收敛性

On the Convergence of USSOR Iterative Methods for Solving Least Squares Problems

将文 [1 ]中求解最小二乘问题的 SOR迭代法推广到 USSOR迭代法 ,给出了 6种分裂形式下 ,USSOR迭代法的收敛域 .最后给出算例 。

In this paper,we study the convergence of USSOR iterative methods for solving least squares problems.The convergence regions are derived for six different splittings of Jacobi iteration matrix.A numerical example gives comparission on the convergence rates for different parameters.