cubic interpolation polynomial

The formulation of cubic polynomial interpolation and the remainder of cubic polynomial interpolation were deduced and the engine fuel consumption characteristics map was drawn by this method.

推导了三次多项式插值公式和三次多项式插值余项，绘制了发动机万有特性曲线。

In this dissertation, a line extraction method based on cubic polynomial interpolation and minimum mean square error fitting are proposed, which can effectively extract lines out.

本文采用三次多项式插值和曲线拟合相结合的方法可简单有效地提取出在线掌纹的线特征。

The continuity and differentiability are achieved by using cubic polynomial interpolation based on hard thresholding.

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。