基于改进灰色模型的钢铁工业生产能耗预测研究
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Research on Energy Consumption Prediction of Steel Industry Production Based on Improved Grey Models
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表1 DNGM(1,1)模型参数和参数估计值
Table 1 Parameters and parameter estimates of DNGM(1,1) model
数据类型模型参数参数估计值
αβγa?b?c?
吨钢综合能耗0.9929-0.7623605.77210.0071-0.7650608.3231
吨钢可比能耗1.0099-22.8295557.9509-0.0098-11.3867560.9010