IT8343的博客

#include <iostream>#include "../common.h"#include <vector>#include <cmath>using namespace std; //最小二乘拟合相关函数定义double sum(vector<double> Vnum, int n);double MutilSum(vector<double> Vx, vector<double> Vy, int n);d.

拉格朗日插值法：#include <iostream> #include <string> #include <vector> using namespace std; void Lagrange(int N, int N1, vector<double>&X, vector<double>&Y, vector<double>&xp, vector<double> &