//n次拉格朗日插值#include stdio.h#include malloc.hdouble lagrange(double *x, double *y, double x0, int n){ int i, j; double Ln = 0, l; for (i = 0; i = n; i++) { l = 1.0; for (j = 0; j = n; j++) { if (i ... [阅读全文]