Home › Forums › density functional theory › functions and functionals › functional This topic has 0 replies, 1 voice, and was last updated 2 weeks ago by LukasHerygers. Viewing 1 post (of 1 total) Author Posts September 29, 2025 at 5:07 pm #13267 LukasHerygersParticipant The action functional is a functional witch takes a pad as the input and gives the total action as an output 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