Cubic Interpolation： https://www.youtube.com/watch?
v=EtzlEA9MIwI
Quadratic Spline Interpolation https://www.youtube.com/watch?
v=j_jBK7zJ1vU
Lagrange Interpolating Polynomials: https://www.youtube.com/watch?v=vAgKE5wvR4Y
Vandermonde matrix: https://www.youtube.com/watch?v=rYekrCcRcGk
3.1 The Interpolating Polynomial（站点）
原文：http://www.cnblogs.com/slgkaifa/p/6932031.html