Matlab牛顿插值法源文件；拉格朗日插值法源文件：及其仿真结果-Matlab the Newton Interpolation for source files the Lagrange interpolation source file: its simulation results

功能强大的牛顿插值matlab程序代码，后续会更新基于C++的MEX和MAT的文件(Powerful Newton interpolation matlab program code, the subsequent updates will be based on the C++ MEX and MAT files)