function value = summation_condition ( n )

%*****************************************************************************80
%
%% summation_condition() returns the L1 condition of the SUMMATION matrix.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 April 2012
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer N, the order of the matrix.
%
%  Output:
%
%    real VALUE, the L1 condition number.
%
  if ( n == 1 )
    value = 1.0;
  else
    value = 2.0 * n;
  end

  return
end
