void euler(int *x, int *y, int* y_prima, float h, int n_pasos){
y[0] = 0.0;
int i;
for(i = 1; i < n_pasos; i ++){
y_prima[i] = f_prima(x[i-1], y[i-1]);
x[i] = x[i-1] + h;
y[i] = y[i-1] + h*(y_prima[1]);
}
}
int main(){
double a= 1.2,b=1.4,c;
double tolerancia = 0.002;
int i=0;
double xnuevo, xn=1.2;
FILE *fp;
//fp = fopen("biseccion.txt", "w");
//fprintf(fp,"i\ta\tb\tc\tabs(a-b)\n\tF(a)\tF(b)\tF(c)\n");
printf("Xnuevo\tXn\n");
do{
xnuevo = xn -(f(xn)/f_prima(xn));
printf("%f\t%f\t%f\n", xnuevo, xn, fabs(xnuevo-xn));
if(fabs(xnuevo-xn)<tolerancia) break;
if(i==10)break;
xn = xnuevo;
i++;
}while( f(xnuevo)!=0);
//fclose(fp);
}