News for hackers. Stuff that matters.

A comment on Scientists find an effective solution for the three-body problem. Parent comment

Re:Scientists find an effective solution for the three-body ... by phreeza on Saturday August 14, 2021 @11:54AM (#28181631)
The need for numerical simulations is completely unrelated to the predictability and/or stability of the system. If you have a Lyapunov exponent smaller than 0 everywhere, errors don't accumulate and you can simulate numerically for as long as you like.
[ Parent | on HN ]
Re:Scientists find an effective solution for the three-body ... by Grustaf on Saturday August 14, 2021 @02:53PM (#28183058)
It's not unrelated, but the implication only goes in one direction. If you have a closed form solution, that implies that you can model it completely forever, but sure the opposite is not true.
[ Parent | on HN ]