function [ g, m1, m2, l1, l2 ] = pendulum_double_parameters ( )

%*****************************************************************************80
%
%% pendulum_double_parameters: parameters for the double pendulum ODE.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    23 March 2020
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real G: the gravitational force coefficient.
%
%    real M1, M2: the masses of pendulums 1 and 2.
%
%    real L1, L2: the lengths of pendulums 1 and 2.
%
  g = 9.81;
  m1 = 1.0;
  m2 = 1.0;
  l1 = 2.0;
  l2 = 1.0;

  return
end

