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.