ODE(double m_1, double m_2, double x_1_0, double y_1_0, double x_2_0, double y_2_0, double v_x1_0, double v_y1_0, double v_x2_0, double v_y2_0, double t_final)
Constructor for ODE objects.
void operator()(vector< double > q, vector< double > &dq, double t)
function representation of ODE system