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• Both the rational functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.

有理函数引入离散数据方法中，有理函数数据拟合常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。

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• Both the wavelet functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.

本文把函数引入离散数据合领域，将小波函数数据拟合常用方法——最小乘法相结合，给出了一种新型的数据拟合工具。

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• The data for the measurement can use direct least square fitting to solve the curvature of the workpiece.

对于测量数据采用直接最小二乘拟合从而可以算出工件曲率

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• Fitting a curve for an experimental energy spectrum of plasma particles with the least square method, a square error sum between the fitted curve and experimental spectrum data is usually minimized.

最小二乘法等离子体粒子能谱实验数据时，通常使拟函数实验能谱数据之间误差平方和极小化。

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• Then the fitting relationships between the longitudinal wave velocity of rock masses and deformation moduli are established. Method of least square regression is used for deformation data processing.

刚性圆形承压板进行岩体变形试验，建立了岩体纵波波速变形拟合关系，用最小二乘回归法处理变形数据

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• In this paper two reasons-the deviation of the data from the origin and the size of the data-causing the ill-conditioned normal equations in the least square fitting of a polynomial are discussed.

讨论了最小二乘多项式拟合中引起正规方程组病态两个重要原因：节点对原点偏离程度节点坐标数量级。

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• Based on the results of the edge anchor, several segments of the height data are selected and linear polynomial fitting are done using least square approximant on these segments separately.

根据台阶边缘检测结果选取部分采样点数据最小二乘法进行直线合。

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• The least square method is popularly used in linear and non-linear regressions for data fitting and estimating model parameters.

最小乘法化工广泛用于数据拟合线性非线性回归模型参数估值

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• The Application of the Method of Least Square of Data Fitting in Physics Test;

工程数据线性合时，宜选用线性最小二乘法

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• The Application of the Method of Least Square of Data Fitting in Physics Test;

工程数据线性合时，宜选用线性最小二乘法

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