function x = p20_sol ( n )

%*****************************************************************************80
%
%% p20_sol() returns the solution of problem 20.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 October 2020
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer N, the order of the system.  N is primarily
%    needed for problems where N may vary.
%
%  Output:
%
%    real X(N), a solution value if known, or [].
%
  if ( rand ( ) < 0.5 )
    x = 0.0;
  else
    x = 5.0;
  end

  return
end
