Yes, Computational Physics is that old!
(Newton, 1670)
More recent
(Simple fluid MD, 1970)
More recent still
(Liquid crystal MD, 2001)
Use finite differences in place of
infinitesimal differentials:
Given , let
Remarks: - History: opposite route; from finite differences to differentials
- Kepler 2- and 3-body problems (chaos!)
- Difference calculus remains applicable for any number of bodies and
any potential
- Price paid: only tabulated trajectory