计算机数值方法，newton插值法，实现了所有组合情况的求和算法-Computer numerical methods, newton interpolation method to achieve a combination of all cases of summation algorithm

计算方法实验作业，用java实现牛顿插值，拉格朗日插值，复化Simpson公式等-Compute the work, using java Newton interpolation, Lagrange interpolation, complex formulas, etc. of Simpson