Langrangian in non-inertial frames?

[HomogenousCow]

I'm not entirely sure how to treat non inertial frames in the lagrangian formulation, do the normal rules still apply?

 

[andrien]

see here
https://docs.google.com/viewer?a=v&q=cache:36-Kc5HuXB8J:www.dartmouth.edu/~phys44/lectures/Chap_6.pdf+lagrangian+in+non+inertial+frame&hl=en&gl=in&pid=bl&srcid=ADGEESh2rDlfectFBjXL18q9mZyHoKpf0PXjKHDBj9BUQ51QW9LnnIONrxf4TZgEcrvwWlOx35c5-cvet_mobuaD0DC9AsTZWW8em8MnAW49vFmGEnaf0QsLvzXaMOQhcNI6xEE3es8j&sig=AHIEtbS-E56KIq_wKVkOXp_JOjR8fXxl8g
you can always go to inertial one by considering some sort of pseudo force.

 

[HomogenousCow]

Thanks, this might clear some things up