ALG 1 METODA NEWTON PT F(X)=0

#include <iostream>
#include <math.h>
#include <conio.h>


using namespace std;

#define ITMAX 100
double error = 0.0001;

double f1(double x) {
	return x * exp(x) - 1;
}

double f2(double x) {
	return exp(x) + x * exp(x);
}

int main() {

	int n = 1;
	double x = 0;

	while (fabs(f1(x)) > error && n <= ITMAX) {
		x = x - ( f1(x) / f2(x) );
		n = n + 1;
	}

	if (n > ITMAX) {
		cout << "In " << n << " iterati nu a fost realizata aproximarea dorita." << endl;
	} else {
		cout << "Aproximarea dorita este: " << x << endl;
	}

	_getch();
}