function title = p21_title ( )

%*****************************************************************************80
%
%% p21_title() returns the title of problem 21.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 October 2020
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    string TITLE, the title of the problem.
%
  title = 'Freudenstein-Roth function';

  return
end
