马科维兹资产组合选择模型的旋转算法

被引:3
作者
张忠桢
张鹏
机构
[1] 武汉理工大学管理学院
[2] 武汉理工大学管理学院 湖北武汉
[3] 湖北武汉
关键词
基; (非)基向量; 基本解; 旋转运算; 参数化方法; 资产组合;
D O I
10.14188/j.1671-8836.2003.01.008
中图分类号
F224.3 [运筹学在经济中的应用];
学科分类号
1201 ;
摘要
提出线性不等式组的一种旋转算法 ,并用其求解马科维兹资产组合选择模型 .此算法每次迭代约需n2 次乘法和加法 ,其中n是模型中变量的数目 .在微机上运行Delphi程序的实验结果表明 ,从上海和深圳股市10 72支股票70期周末收盘价计算出 2 0个最优投资组合仅需 3 14次迭代和 45s .
引用
收藏
页码:25 / 28
页数:4
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