Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by Yannick. Viewing 1 post (of 1 total) Author Posts October 6, 2023 at 6:50 pm #9353 YannickParticipant The classical action S[L] , the integral of the lagrangian over some path in configuration space. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In