多层次B样条曲面拟合，采用均匀的控制点实现曲面的光滑拟合。-Multi-level B-spline surface fitting, use of control points to achieve a uniform smooth surface fitting.

三次样条插值，适用matlab。三次样条插值是通过一系列形值点的一条光滑曲线，数学上通过求解三弯矩方程组得出曲线函数组的过程。-Cubic spline interpolation for matlab. Cubic spline interpolation through a series of key points of a smooth curve, mathematically by solving the three moment equations derived curve fun