fabregasmu 发表于 2014-10-27 10:59 
还涉及到用Excel的规划求解功能计算30个证券组合的权重,也要求协方差矩阵是填满的,如果一半是空白没法计 ...
well in that case you can write an VBA macro (if you know how to write), it is really easy to learn in several minites.or you can load the matrix in excel to matlab (xlsread function) and use matlab code to fill it, then copy paste back into excel