The paper designs a sum of square function, which is an optimization mathematical model that makes the residual sum of squares of wax deposition rate between the calculated and the measured minimum.
通过设计一个平方和函数，使蜡沉积速率的计算值与实测值的残差平方和为最小的优化数学模型成为一个无约束的非线性规划问题。
It used the moving least square approximation as a trial function, and used the weighted function of the moving least square approximation as a test function of the weighted residual method.
这种方法采用移动最小二乘函数来近似解变量，并且采用移动最小二乘近似函数的权函数作为加权残值法的权函数。
Next, it finds out the spectra and cross-spectra of residual process by using least-square forecast procedure, through the correlation function of residual process.
再用最小二乘预测方法，通过剩余过程的相关函数，找到剩余过程的自谱及互谱。
Next, it finds out the spectra and cross-spectra of residual process by using least-square forecast procedure, through the correlation function of residual process.
再用最小二乘预测方法，通过剩余过程的相关函数，找到剩余过程的自谱及互谱。
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