Метод дотичних

#include <iostream.h>

#include <stdio.h>

#include <math.h>

float a, b, EPS=10E-7;

float x1, DELTA, x2;

int n=0;

int main() {

cout<< "\n\n*********************************************************************\n\n";

cout<< " Metod dotuchnuh (2.1.8) ";

cout<< "\n\n*********************************************************************\n\n";

cout<< " Vvedit megi a: "; cin>>a;

cout<< " b: "; cin>>b;

x1=(a+b)/2;

do { n=n+1;

x2=x1-(log(x1)*log(x1)-log(x1)-2)/(2*log(x1)/x1-1/x1);

DELTA=fabs(x2-x1);

if (DELTA>EPS)

x1=x2; }

while(DELTA>EPS);

printf (" Korin'=%40.37f\n",x2);

printf (" Chuslo iteratsiu=%i",n);

cout<< "\n\n*********************************************************************\n\n";

printf (" Tochnist E = %40.37f\n",EPS);

getchar();

return 0;