To obtain sample space used to establish the nonlinear regression model, the FEM simulation tests were arranged with the methods of orthogonal and random experimental design.
基于正交和随机方法安排了有限元仿真试验，获得了用于非线性电磁建模的样本空间。
A support vector regression method based on classification is presented to solve the nonlinear regression problem with unknown data distribution and mathematical model.
提出了一种基于分类技术的支持向量回归方法，解决数据分布未知、数学模型未知的非线性回归问题。
The nonlinear multiple spline progressive regression model is used in the medium-range prediction of sununer harvest.
在夏收期间的中期预报中，使用了非线性多元样条函数回归预报模型。
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