% Iterative method
x0 = 2;                   % initial point
maxiterate = 10^3;        % the maximum of the iteration steps
error_tolerence = 10^-5;  % the error tolerance

x = g(x0);
itcount = 1;  %it_count is the iteration steps, starting with 1

while abs(x-x0)>=error_tolerence && itcount<maxiterate
    
    x0 = x;
    x = g(x0);
    itcount = itcount+1;

end
format long e
itcount
x