Home › Forums › density functional theory › functions and functionals › Functional example This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by Tristan Boen. Viewing 1 post (of 1 total) Author Posts October 4, 2022 at 9:12 am #6857 Tristan BoenParticipant y = f(x) = ax+b, here f is a functional that relates x to y. 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