function x = p13_start ( )

%*****************************************************************************80
%
%% p13_start() returns a starting point for optimization for problem 13.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    02 August 2019
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    real x, a starting point for the optimization.
%
  x = -0.1;

  return
end
