qualitative variable model

常见例句

Using method of qualitative theory of ordinary differential equation, studies economic harvesting model with variable price and cost for a single population.
利用常微分方程定性理論的方法討論了價格成本變化的單種群經濟捕獲模型。
Single variable analysis is the mainly used qualitative analysis method in this thesis, while multivariable model and neural network model used as the main quantitative analysis methods.
定性分析方法主要是單變量分析，定量分析方法有多變量模型和神經網絡模型。
Based on the above qualitative analysis, it constructs an inventory optimizing model for manufacturer and storing company respectively, fingers out an optional result of the cost decision variable.
在前麪定性分析基礎上，分別建立生産型企業和銷售型企業有需求提前期的庫存優化模型，得出成本決策變量的最優解。