Proof of two inequalities by means of conditional extremum;
利用条件极值证明不等式
One full condition of conditional extremum;
条件极值判定的一个充分条件
Solution of conditional extremum of quadric form on hypersurface by using the matrix method
二次型在超曲面上条件极值的矩阵解法
Li Wen-xue puts forward a sufficient condition of conditional extreme value with Lagrange Function,but his proof is wrong.
李文学用拉格朗日函数提出求条件极值的充分条件,但他的证明却是错误的。
In the paper,the sufficient conditions for judging the conditional extreme value of multi-function are made out with Hissian matrix,and the mistakes in the literature [3] are pointed out.
文章利用Hissian矩阵,给出了判断多元函数条件极值的充分条件,并指出文献[3]中的错误。
Wenxue Li put forward a sufficient condition of conditional extreme value with Lagrange function, but his proof is wrong.
李文学用拉格朗日函数提出求条件极值的充分条件,但他的证明却是错误的。
The conditional extreme of multivariable functions is an important content in《Mathematical Analysis》(partⅡ).
多元函数条件极值是教材《数学分析》(下册)课程中一个重要内容,教材通常采用拉格朗日数乘法求多元函数条件极值,而对于一些特殊问题可以利用柯西不等式简捷求出。
Using the methods of evaluating conditional extreme value, the article proves two types of inequalities.
文章利用求条件极值的方法,证明了两类不等式,由此获得构造具体不等式的技巧,可以方便地构造出不等式的证明题。
Proof for the unconstrained extremum conditions;
无约束极值条件的一个证法
Considering the factors of anticipation and volatility,to catch the character of return series in extreme condition and improve VaR precision,a model of conditional extreme value VaR is established.
在考虑当前预期和波动性条件下,为了有效地捕获极端条件下收益率时间序列动态特征,提高VaR的度量精度,建立了基于高频数据的条件极值VaR模型。
Meanwhile,the differences between the conditional extremum and unconditional extremum in concept and evaluation are pointed.
同时还指出了条件极值和无条件极值在概念上及求法上的一些区别。
Meanwhile, the differences between the conditional extremum and unconditional extremum in concept and evaluation were also discussed.
同时还指出了条件极值和无条件极值在概念上及求法上的一些区
Discussion on the Conditional Extremum of Three Variable Function Through Unconditional Extremum;
用无条件极值判定多元函数条件极值
The Hissian Matrix Judgement under Sufficient Conditions of Conditional Extreme Value;
条件极值充分条件的Hissian矩阵判断
Hesse matrix of sufficient condition for conditional maximum and minimum;
判定条件极值的充分条件的Hesse矩阵
General Methods of Determining the Type of Extremum and Constrained Extremum of Multivariate Function;
多元函数极值和条件极值的一般判定方法
A Proof of the Adequate Conditions for D ualistic Function Extremum and Jadgment on Conditional Extremum
二元函数极值充分条件的证明及条件极值的判定
The Necessary and Sufficient Condition of the Constrained Extreme Value of the Function of Many Variables and it s Application;
多元函数条件极值的充分条件及其应用
Discussion on the Paper on a Sufficiency Condition of Conditional Extremum;
对《关于条件极值的一个充分性条件》一文的再讨论
Application of Hesse Matrices in Condition Extreme Value for Multivariate Function;
海塞矩阵在多元函数条件极值中的应用
A Simple Decision Method on Binary Function s Conditional Extremum;
二元函数条件极值的一个简便判别方法
Determination of Investment Portfolio of Various Securities by Using Lagrange Conditioned Extreme Value;
用拉格朗日条件极值求多种证券投资最优组合
Solution of conditional extremum of quadric form on hypersurface by using the matrix method
二次型在超曲面上条件极值的矩阵解法
A Model of Conditional VaR of High Frequency Extreme Value Based on Generalized Extreme Value Distribution;
基于广大极值分布的高频极值条件VaR模型
New Proof of the Adequate Conditions for the Judgment of Dualistic Function Extreme Point;
二元函数极值点判定的充分条件新证
The Strong and Weak Consistency of Conditional Moment Estimator for Extreme Index;
极值指数条件矩估计量的强弱相和性
A Note on the Xufficient Condition of Binary Function s Extremum;
二元函数极值的充分条件的一点补充
Calculate the condition VaR by extreme value theory and Copula function
基于极值理论和Copula函数的条件VaR计算
The Sufficient and Necessary Conditions for the Domains of Attraction and Conditional Moment Estimator for the Extreme Index;
分布函数属于吸引场的充要条件及极值指数的条件矩估计量
Dynamic Extremum Response to High Temperature and Pressure for a Riser;
高温高压条件下海洋立管的动态极值响应研究