Hmmm I thought the closed form solutions are Jacobi elliptics?
https://cococubed.com/code_pages/pendulum.shtml
Yes. That's what the author means by
> There is a closed-form solution, but only if you extend “closed-form” to mean more than the elementary functions a student would see in a calculus class.
alt Hacker News
Yes. That's what the author means by
> There is a closed-form solution, but only if you extend “closed-form” to mean more than the elementary functions a student would see in a calculus class.