Based on the systematic theory of grey, a new multi-objective decision method of grey state is presented and applied in the environmental quality evaluation.
以灰色系统理论为基础，本文提出了一种新型多目标灰色局势决策方法，并将其应用于环境质量评价之中。
The mathematical model of sucrose content is given with residual GM (1, 1) model of the grey systematic theory in this paper. The result is precision.
利用灰色理论的GM(1,1)残差模型，建立了甜菜糖厂生产期蔗糖分的预测模型，精度较高，获得满意效果。
When grey systematic theory at present set up GM (1 , 1 ), it assumes that fit curve passes the first point of modeling data to confirm the integral constant, thus obtained to forecast formula.
目前灰色系统理论在建立GM（1，1）模型时通常采用假定拟合曲线通过建模数据第一点来确定积分常数，从而得到预测公式的方法。
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