Then the methods of fuzzy optimization and evolution programming are adopted to study the portfolio investment under a new risk concept, and an algorithm for solving the problem is given.

运用模糊优化和进化规划方法，研究新风险概念下的模糊证券组合选择，并给出了其相应算法。

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Then the methods of fuzzy optimization and evolution programming are adopted to study the portfolio investment under a new risk concept, and an algorithm for solving the problem is given.

运用模糊优化和进化规划方法，研究新风险概念下的模糊证券组合选择，并给出了其相应算法。

youdao