Here we consider trigonometric splines of Order 2 . The results which were parallel with the results about polynomial splines functipn are obtained.
本文研究一类二阶三角样条，得到了与三次多项式样条平行的一些结果。
A global smoothing method based on polynomial splines is used to estimate the coefficient functions in functional-coefficient linear autoregressive models.
基于多项式样条全局光滑方法，建立函数系数线性自回归模型中系数函数的样条估计。
A global smoothing method based on polynomial splines is used to estimate the coefficient functions in functional-coefficient linear autoregressive models.
基于多项式样条全局光滑方法，建立函数系数线性自回归模型中系数函数的样条估计。
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