The functional-coefficient partial linear model is a general model.
函数系数部分线性模型是一个比较一般的模型。
Here we expound two approaches to GPS corrections model by Partial Derivative Algorithm(PDA) and Linear Interpolation Algorithm(LIA), then probe their advantages and disadvantages.
对偏导数算法（PDA）和线性内插算法（LIA）两种改正数模型化方法进行探讨，并说明两种方法的优缺与应用范围。
We simplify the problems by using the linear weighted method, separate technique of partial control variables, and enumerating in certain range, then give out the solving plan of the model.
通过采用线性加权法、分离部分控制变量法，以及在一定范围内穷举，将问题简化，进而给出模型的求解方法。
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