function [ t0, y0, tstop ] = shm_parameters ( )

%*****************************************************************************80
%
%% shm_parameters() returns parameters for the SHM ODE.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    30 April 2021
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    real T0: the initial time.
%
%    real Y0: the initial value.
%
%    real TSTOP: the final time.
%
  t0 = 0.0;
  y0 = [ 0.0, 1.0 ];
  tstop = 5 * 2.0 * pi;

  return
end


