现在插值函数成为许多人的需要，现在提供牛顿插值的方法来供大家参考，牛顿插值适合线性插值的处理，对于非线性插值并不适合。-Interpolation function will now be a lot of people' s needs, now provides Newton interpolation method to everyone for reference, Newton Interpolation Linear Interpolation of treatment suitable for the non-linear interpolation does not fit.