摘要：
#include <iostream>using namespace std;int nihe(double *x,double *y,int N){ double a0=0; double a1=0; double sum_x_square=0; double sum_x=0; double sum_y=0; double sum_x_y=0; double x_sum_square=0; for (int i=0;i<N;i++) { sum_x_square+=x[i]*x[i]; sum_y+=y[i];... 阅读全文
