The mathematical principles and models of gray relational analysis and BP neural network used to determine the source of water were introduced.

给出了灰色关联分析及BP神经网络进行判别分析的数学原理和模型。

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This book is devoted to the construction of a deductive theory of the electron, starting from first principles and using a simple mathematical tool, geometric analysis.

这本书献身于一个电子的演绎的理论的建设，从第一个原则开始并且使用一件简单的数学工具，几何学分析。

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In order to improve the quality of financial projections, regression analysis is an effective way to use mathematical statistics related to the principles of data results more convincing.

为了改进财务预测的质量，回归分析则不失为一种有效的方法，利用数理统计的相关原理使数据预测结果更具有说服力。

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