We discussed the problems of convergence by normofamatrix, obtaining the formulation of error estimate and the conditions of convergence in requesting the solutions by iterative method.
利用矩阵的范数讨论了矩阵的收敛问题，得出了迭代法求解时的收敛条件及误差估计。
2
A upper bound with consistent matrixnorm and the estimate for error of AOR iterative method for solving linear equation system, which based on the doubly diagonal dominance, are presented.