The results show that GM(1,1) model has high accuracy of fercasting and is suitable for the simulation control and prediction analysis of original data series such as geology,mining...

• 结果表明,GM(1,1)模型的预测精度高,适合于具有灰色特征的地质、采矿、选矿、经济等原始数据序列的模拟控制和预测分析。