本文介绍了现代证券组合理论中几个主要的数学模型，并分析了组合收益中的风险构成及风险收益决策。
Several mathematical models in modern portfolio has been introduced in this essay and the risk components in portfolio income constitution have been analyzed.
目前，非线性泛函分析已经成为现代数学中的一个重要分支。
At present, nonlinear functional analysis has been one of the most important branch of learning in modern mathematics.
运用现代数学中的综合分析法，可以得出模糊相似性测度数据关联算法。
We can get fussy similarity data correlation by using general analysis in modern mathematics.
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