理论变异函数球状模型的加权线性规划法拟合

REGRESSION OF SPHERICAL MODEL AND ITS NUGGET STRUCTURE OF THEORETIC VARIOGRAM USING WEIGHTED LINEAR PROGRAMMING METHOD

对理论变异函数球状模型及其套合结构拟合这一问题作了探讨 ,提出了加权线性规划拟合法。由于该法在目标函数中既可考虑到对不同滞后 h下所得实验变异函数值进行加权 ,又可保证拟合成功 ,同时还可进行人工干预 ,因此 ,方法综合了现有加权多项式拟合法及线性规划拟合法的各自优点 ,且在计算上较目标规划拟合法更为简单。

The regression of spherical model and its nugget structure of theoretic variogram is discussed and the weighted linear programming method is proposed in this paper.The method used here can consider the weights given to the experimental variograms under different lags in the objective function,ensure the success of regression and enable the weights determinated manually,so it not only has the advantages both the methods of weighted polynomial and linear programming have,but also is simpler in calculation compared with the objective programming method.