de Boor 求值算法求作二次和三次B-样条插值曲线，Hartley-Judd法确定节点矢量，使用基于基的运算的插值法求控制顶点-algorithm evaluates demand for secondary and cubic B-spline interpolation curve, Hartley-Judd determine node vector-based computing interpolation method f

de Boor 求值算法求作二次和三次B-样条插值曲线，Hartley-Judd法确定节点矢量，使用基于基的运算的插值法求控制顶点-algorithm evaluates demand for secondary and cubic B-spline interpolation curve, Hartley-Judd determine node vector-based computing interpolation method f

deboor算法，构成B样条曲线，实现B绘图计算功能-deboor algorithm constituting B spline curve to achieve B graphics computing