combi combination 中文意思是什麼
combi combination
解釋
組合，混合- combi : 客貨兩用機
- combination : n 1 結合，合併，混合，聯合，配合，組合。2 合作；共謀，同謀；同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
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This paper studies the ways to comfotmate the models of portfolio investment combi - nation, and demonstration analysis, divided into three parts. the first part : exordium. mainly introduces the risk of portfolio investment. the second part : brings forward several kinds of investment combination model, including the traditional markowitz model, multiobjective programming and fuzzy programming. the third part : goes along with the demonstration analysis of each kind of model basted on the shanghai stock market, at the same time, appraises the superiority and inferiority with the single - parameter measurement of tangible achievement. before then, most papers discussed the static models, this paper extends the static models to the dynamic models by the means of weighted moving average and bayes estimation
本文研究了證券投資組合模型的構造方法及其實證分析，分三部分進行：第一部分，緒論，主要介紹證券投資的風險；第二部分，提出幾種投資組合模型，在傳統的馬柯維茨模型及線性規劃的基礎上，本文另外提出多目標規劃的其它解法，並把前人模糊規劃的理論應用到具體的建模中；第三部分，根據我國的滬市行情，對各種模型進行實證分析，並利用實績的單參數度量對各種模型的優劣性進行評價。
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