function  m = bisection(f, low, high, tol, maxit)
disp('Bisection Method');

% Evaluate both ends of the interval

y1 = feval(f, low);
y2 = feval(f, high);
i = 0;
j = 0;

% Display error and finish if signs are not different
if y1 * y2 > 0
   disp('Have not found a change in sign. Will not continue...');
   m = 'Error'
   return
end

% Work with the limits modifying them until you find
% a function close enough to zero.
disp('Iter    low        high          root');
while (abs(high - low) >= tol) && (j<=maxit)




    j = j + 1;
    i = i + 1;
    % Find a new value to be tested as a root
    m = (high + low)/2;
    y3 = feval(f, m);
    if y3 == 0
        fprintf('Root at x = %f \n\n', m);
        return
    end
    fprintf('%2i \t %f \t %f \t %f \n', i-1, low, high, m);

    % Update the limits
    if y1 * y3 > 0
        low = m;
        y1 = y3;
    else
        high = m;
    end
end