1) efficient set
有效集
1.
The existence of one kind of multiple-objective programs efficient sets, in which the domination stricture D is a point closed convex cone, is studied, and some relevant properties are discussed.
对主导结构D为点闭凸锥的一类多目标规划问题有效集的存在性进行了研究，并讨论了有关的性质。
2.
Based on the study of the efficient boundary and the efficient set of the portolio selection allowing short selling,the paper discusses the influence on the efficient boundary and the efficient set of the portfolio selection by the risk free investment.
以允许卖空的风险证券组合投资有效边界、有效集研究为基础，分析了无风险投资的引入对风险证券组合投资有效边界、有效集的影响，并给出了无风险投资与风险组合投资再组合的有效边界、有效集等若干数学结果。
3.
Through proceeding from the stocks combination investment for dispering risk, the authors discuss and find out the efficient set and the efficient boundary ofthe stocks combination investment,and analyze the effects on the investment risk by thedifferent restrictions of the stocks combination investment.
本文从分散风险而进行证券组合投资问题出发，研究了证券组合投资有效集及有效边界的确定，并分析了证券组合投资比例系数约束条件不同对其投资风险的影响。
2) effective set
有效集
1.
By introducing a concept of risk return, we propose a portfolio selection model, by which we obtain a portfolio with maximal risk return, and analyze and consider portfolio selection in Markowitz effective set.
本文通过引入风险报酬的概念 ,建立了基于风险报酬的资产组合选择模型 ,求出了风险报酬最大的资产组合 ,在此基础上深入地分析、研究了Markowitz型有效集中的资产组合选择问题。
3) active set method
有效集法
1.
This new algorithm together with the discussion fulfils the requirement of the active set method.
给出了求解仅含有等式约束的二次规划的新算法，并讨论了增加或去掉一个等式约束时的处理方法，从而满足了有效集法的要求。
2.
In this essay, the method for avoiding cycling to active set method, Bland Criterion are discussed.
讨论了线性规划有效集法产生循环的原因，给出了有效集法的Ｂｌａｎｄ规则，并证明了 遵守Ｂｌａｎｄ规则的有效集法在求解退化的线性规划问题时可避免在退化点处发生死循环现象。
3.
This paper surveys some methods for solving minimum L1 - norm Estimation through mathematical programming, which include (1)simplex method, (2) dual linear programming, (3) gradient projection method and (4) active set method.
本文就最小L_1-模估计的计算,介绍几种求解的数学规划方法,它们包括:(1)单纯形方法;(2)L_1-模估计的对偶规划方法;(3)投影梯度方法;(4)有效集法。
4) efficient point set
有效点集
1.
This paper disproves the conclusion by a counterexample, and with the help of the concept of upper-semicontinuity, proves the connectedness of efficient point set and weak efficient point set of the set.
在研究多目标规划的有效解集的连通性时,许多文献通过将集合的有效点集表示为某个连通集上闭的点集映射的象集以得到结果。
5) efficient subset
有效子集
1.
An efficient subset for portfolio selection means that it may replace the original security set to generate the Markowitz portfolio efficient frontier.
证券组合选择的有效子集是指它可取代原有的基本证券集来生成Markowitz有效组合前沿,本文给出一个证券集的子集在不允许卖空的条件下是全集的有效子集的充要条件。
2.
We concluded that the covariance matrix is nonpositive definite, there is either arbitrage opportunity or efficient subset.
并指出 :当协方差矩阵非正定时 ,要么存在套利机会 ,要么存在有效子集 (即有多余的证券存在 )。
3.
This paper introduces a concept of efficient subset for portfolio selection.
本文引进证券组合选择的有效子集概念。
6) efficient solution set
有效解集
1.
In this paper, the connectedness of KTproper efficient solution set for vector minimization is discussed.
讨论了向量极值问题 KT真有效解集的连通性问题。
2.
In this paper, we show some properties of the efficient solution set for the multi-objective, continuous, quasiconcave functions F=(f 1,f 2,……f n) T, if S is compact and convex.
该文给出了多目标拟凹函数 F=( f1,f2 ,…… fn) T 在一个紧凸集上的有效解集的若干性
补充资料：〖ZK(〗各证集说诸方备用并五脏六腑集论合抄〖ZK)〗
〖ZK(〗各证集说诸方备用并五脏六腑集论合抄〖ZK)〗
内科著作。1卷。原题清叶桂(天士)家传，撰年不详。此书汇集内科杂证70余种，方剂近200首。每证各为一论，阐明疾病性质、病因、症状、治则及方药。论后每引经说，概括病机。所列方药服法亦皆详备。又列“五脏六腑论”一章，引用《内经》、《难经》，逐一论述五脏六腑之形象、部位、表里关系、病症及治法。本书内容多录自《临证指南》，恐系后人伪托叶氏之作。现存抄本
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条