qualitative variable model

基本解釋

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(jià)格成本變化的單種群經(jīng)濟(jì)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(jīng)網(wǎng)絡(luò)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.
在前面定性分析基礎(chǔ)上，分別建立生產(chǎn)型企業(yè)和銷(xiāo)售型企業(yè)有需求提前期的庫(kù)存優(yōu)化模型，得出成本決策變量的最優(yōu)解。