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.
把有理函数引入离散数据拟合方法中，将有理函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。
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.
本文把小波函数引入离散数据拟合领域，将小波函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。
The data for the measurement can use direct least square fitting to solve the curvature of the workpiece.
对于测量的数据采用直接最小二乘拟合，从而可以解算出工件的曲率。
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.
用最小二乘法拟合等离子体粒子能谱实验数据时，通常使拟合函数与实验能谱数据之间的误差平方和极小化。
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.
用刚性圆形承压板法进行岩体变形试验，建立了岩体纵波波速与变形模量的拟合关系，用最小二乘回归法处理变形数据。
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的两个重要原因：节点对原点的偏离程度和节点坐标的数量级。
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，用最小二乘法进行直线拟合。
The least square method is popularly used in linear and non-linear regressions for data fitting and estimating model parameters.
最小二乘法在化工中广泛用于数据拟合的线性和非线性回归及模型参数估值。
The Application of the Method of Least Square of Data Fitting in Physics Test;
在工程数据线性拟合时，宜选用线性最小二乘法。
The Application of the Method of Least Square of Data Fitting in Physics Test;
在工程数据线性拟合时，宜选用线性最小二乘法。
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