2 ms·
Looks like they assumed that all pedestrians walk (1) at the same speed, and (2) directly toward their predetermined destinations. Those assumptions might be g
by bell-cot 2y ago
Looks like they assumed that all pedestrians walk (1) at the same speed, and (2) directly toward their predetermined destinations.
Those assumptions might be good enough for modeling students walking to & from classes at MIT. But more generally? Nope.
- gatane 2y agoThose assumptions make you understand the problem, it is the scientific method after all. If you consider ALL the variables, you would end up with something like the Standard Model Lagrangian, and even that makes some assumptions (explicitly or implicitly) in order to work.