The accelerated genetic algorithm (AGA) and the least square method(LSM) are used to solve the parameters of the gray GM(1,1) models of both stable and unstable data sequences.

• 对平稳的数据和非平稳数据两种数据序列建立的GM(1,1)模型,分别用加速遗传算法(AGA)和最小二乘法(LSM)对模型参数求解。