This discussion focuses on the effects of time-independent point transformations on the Lagrangian in classical mechanics. The user seeks clarification on the covariance and contravariance of values resulting from these transformations. The conversation highlights the importance of correctly formulating the equations involved, particularly in understanding the relationship between the left and right sides of the equations presented. The user expresses uncertainty regarding the derivation of specific factors in the equations.
PREREQUISITESStudents and researchers in physics, particularly those focused on classical mechanics and theoretical physics, will benefit from this discussion.
The left side seems ok. I don't know where the right side comes from, I mean the second factor of the left side.dynamicskillingme said: