function x = dif2cyclic_null_left ( m, n )

%*****************************************************************************80
%
%% dif2cyclic_null_left() returns a left null vector of the DIF2CYCLIC matrix.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    12 March 2015
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer M, N, the order of A.
%
%  Output:
%
%    real X(M,1), the null vector.
%
  x = ones ( m, 1 );

  return
end
