Newton迭代法,用Newton迭代法求方程,(内附题目)

#include<stdio.h>

#include<math.h>

#define N 100

#define PS 1e-4

#define TA 1e-4

float Newton(float (*f)(float),float(*f1)(float),float x0 )

{

float x1,d=0

int k=0

do

{

x1= x0-f(x0)/f1(x0)

d=(fabs(x1)<1?x1-x0:(x1-x0)/x1)

x0=x1

k++ -Newton iterative method, using Newton iteration method of equation# include <stdio.h># Include <math.h># Define N 100# define PS 1e-4# define TA 1e-4 float Newton (float (* f) (float), float (* f1) (float), float x0) {float x1, d = 0　int k = 0　do {x1 = x0-f (x0)/f1 (x0)　d = (fabs (x1) < 1? x1-x0: (x1-x0)/x1)　x0 = x1　k++