求解随机规划问题新方法——优劣解法

<正> 随机规划最优化,即使随机规划的目标函数最优化,达到最优值。那么怎样求随机规划目标函数的最优值呢?设随机规划问题min z=c′x,C为n维随机列向量,x为n维列向量,D为约束域。求其在满足约束条件下随机目标函数的最优值z~*=c′x~*。而如何判断随机变量是最小的呢?下面就此讨

The Model and Its Application of Rural Economic Developing Strategy

Rural economy is a big and complicated social system. Any system certainly has its structure, and the function of the system is determined by the structure. This article presents a theory that the rural economic system is a three-dimensional value function unit structures composed of biological production, material technology and economic revolving. According to these characteristics of the developing mechanism of the rural economy and the foundamentals of system-dynamics, a system simulating model was founded in this article. Through the electrk computer control, this model is used for adjusting the relationships of the energy, the material and the value currents, so as to bring the value function unit into a full play and to promote the range-to all-around develope farming, forestry, animal husbandry, sideline and fishery, the quality-to build up a good ecological circulation system, and the high degree-to develope commodity production-of the rural economic production.