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条件极值
    This paper is began with the conception introduction of performance, then the performance index system and the condition extremum model which is consisted by the performance aim function and the performance restrain function are established.
    本课题以提出竞技表现概念为起点,建立竞技表现指标体系为基础,构建竞技表现目标函数与竞技表现约束函数组成的竞技表现条件极值模型为主体内容,解析竞技表现条件极值模型为应用目标,展开系统研究。
    Study on Performance and Condition Extremum Model of Skill Dominated Unmeasurable Event-group
    技能主导类非测量性项群竞技表现及其条件极值
    On the Sufficient Condition for the Existence of Condition Extremum
    关于条件极值存在的充分性
    The best or the worst competitive showing in specified conditions is called condition extremum of performance ,the best is the maximum value of performance and the worst is the minimum value of performance.
    其在各种主客观条件下所能表现出来的竞技水平(最大值)或最差竞技水平(最小值)统称之为竞技表现的条件极值。 竞技表现的理想条件极值则是各种条件下多个极大值中的最大值,其对应的约束条件即为理想约束条件。
    The establish of performance condition extremum model : It is established with such methods as multiple linear regression analysis and solve equation, this model is consist of two parts ,one is aim function and the other is restrain function.
    竞技表现条件极值模型的构建。 模型由目标函数与约束函数两部分组成,以多维单目标最优化方法与理论为建立模型的理论依据,应用多元回归、求解不定方程等方法建立求解模型。
    analysis on performance condition extremum model: it is analysis on two parts ,index system analysis and model system analysis.
    竞技表现条件极值模型的解析。 模型解析分为指标体系解析与模型解析两部分,其中模型解析包括:极大值、极小值、定值解析三部分。
    performance condition extremum model of performance could be used in such fields as result forecast ;
    竞技表现条件极值模型的应用。 竞技表现条件极值模型可用应于运动员(队)比赛成绩的预测;
    Then, with condition, extremum and Lagrange function aim at under specific yield to make risk reach minimum economic proposition to establish model. And combine example, calculate using MATLAB software and reach investment proportion.
    然后,运用条件极值和拉格朗日函数,针对在特定收益率下使风险达到最小的经济命题建立模型,并结合实例,利用MATLAB软件加以计算,得出最佳投资比例。
    In this paper, from three different angles we analyzed and discussed the sufficiency for the existence of condition extremum and give some condition extremum criteria respectively
    从三个不同的角度、利用三种不同的方法,对条件极值存在的充分性进行了理论分析,并给出了具体的判断法则。
    Under the condition of structural reliability,this paper makes use of analysis method of condition extremum in higher mathematics,combines rectangular flexural member of reinforced concrete of double bars with the economic of structural element,and proposes safe,dependable,economical and practical Optimized Design Method.
    在满足结构可靠性的前提下,利用高等数学解析法中的条件极值方法,将钢筋混凝土双筋矩形截面梁的截面尺寸及配筋设计与构件经济性相结合,提出了安全、可靠、经济、实用的结构设计优化方法。
 

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