Explain the differential of lagrangian is a perfect ?L dt

Join the discussion
Registration is free. Start your own thread to ask a follow-up.
3 replies · 2K views
eman2009
Messages
32
Reaction score
0
how we can explain the differential of lagrangian is a perfect ?L dt
 
Physics news on Phys.org


It's dS = Ldt, the action differential. It's just definitions.
 


yes, but how we can prove is it a perfect differential!