用三次多项式在硬阈值的基础上插值，使新的阈值函数保持了连续性和可导性。
The continuity and differentiability are achieved by using cubic polynomial interpolation based on hard thresholding.
本文提出了一个在三角形域上的有理布尔和插值的新方法，此方法的特点是所构造的插值函数结构简单，多项式准确集较高。
A new method of rational Boolean sum interpolation on an arbitrary triangle is developed in this paper. The structure of the interpolation function is simple.
基于光滑的分段多项式函数和插值思想推导出一个新的光滑函数，从而可以更好地逼近正号函数。
We got a new smooth function for approximating the plus function by interpolation base on smooth piecewise polynomial functions.
基于光滑的分段多项式函数和插值思想推导出一个新的光滑函数，从而可以更好地逼近正号函数。
We got a new smooth function for approximating the plus function by interpolation base on smooth piecewise polynomial functions.
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