Newton Interpolation: https://www.youtube.com/watch?
Piecewise Linear Interpolation:
https://www.youtube.com/results?
search_query=Piecewise+Linear+Interpolation
Piecewise Linear Interpolation: https://www.youtube.com/watch?v=KLUr1A6vyzs
3.2 Piecewise Linear Interpolation（站点）
原文：http://www.cnblogs.com/zhchoutai/p/6919684.html