Double pendulum Lagrangian
= Double pendulum Lagrangian
The kinetic energy contains the coupling $ml_1l_2\cos(\theta_1-\theta_2)\dot\theta_1\dot\theta_2$, while gravity supplies one cosine potential for each mass height.
= Double pendulum Lagrangian
The kinetic energy contains the coupling $ml_1l_2\cos(\theta_1-\theta_2)\dot\theta_1\dot\theta_2$, while gravity supplies one cosine potential for each mass height.