This article researches the coefficient estimating problem of the linear regression model and the math analysis foundation of the least squares estimation applying in the coefficient estimating.
本文研究了线性回归模型中的参数估计问题，运用最小二乘法进行参数估计的数学分析基础。
On the basis of an analysis of the engagement process of the main clutch on tracked bulldozer, a math model is established.
在对履带式推土机主离合器接合过程分析的基础上，建立了其数学模型。
Fuzzy math and the theory of AHP are combined to set a fuzzy overall analysis model, which is used in the engineering project quality risk analyses.
将模糊数学与层次分析方法相结合，建立了模糊层次分析模型并应用于工程项目质量风险分析。
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