三维变异函数的计算和拟合 - 中南大学学报（自然科学版、英文版） 关键字: 各向异性; 椭球; 最小二乘拟合; 三维变异函数[gap=555]Key words: anisotropy; ellipsoid：; least square fitting; 3d-variogram function
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... least square fit 最小二乘拟合 least square fitting 最小二乘法拟合 least square line 最小二乘法直线 ...
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这个方法的好处是可以直接套用最小二乘拟合（Least square fitting）和拉格朗日乘子法（Lagrange multipliers）来解，只需要一次矩阵代数运算就可以得到结果，比迭代优化方法快无数倍。
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... least square data fitting || 最小二乘方数据拟合 least square fitting || 最小二乘方拟合 least square linear regression || 最小二乘方线性回归 ...
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the least square fitting 最小二乘拟合
data least square fitting 数据拟合
least square fitting model 最小二乘潮位拟合法
linear least square fitting 线性最小二乘拟合
linear least-square fitting 线性最小二乘拟合
complex least-square fitting 复数最小二乘拟合
fourier least square fitting 傅里叶最小二乘拟合
fourier least-square-fitting 傅里叶最小二乘拟合
least-square fitting approach 最小二乘拟合方法
To obtain a good approximation for least square fitting of B-spline curve to the rate data of CO oxidation, parameters and knots have to be dealt with as variables frequently.
考虑用B样条曲线拟合一氧化碳催化速率数据使得最小二乘拟合误差最小。
参考来源 - 近代算法在工程领域中的应用研究The mathematics model was established for the discrete data of free-form curve and surface, based on non-uniform B-splines and least square fitting algorithm.
以B-样条函数理论和最小二乘法为数学基础,建立自由曲线、自由曲面的数学模型。
参考来源 - 三坐标测量机的曲面匹配与测头半径修正·2,447,543篇论文数据，部分数据来源于NoteExpress
And significance test is carried out through least square fitting method.
并通过最小二乘法线性拟合后进行显著性检验。
An enhanced image is finally reconstructed from the target gradient field by least square fitting.
最后采用最小二乘拟合从目标梯度场重建出增强后的图像。
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。
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