Home › Forums › density functional theory › functions and functionals › functions and functionals This topic has 0 replies, 1 voice, and was last updated 2 years, 1 month ago by Bilal746. Viewing 1 post (of 1 total) Author Posts November 2, 2022 at 6:41 pm #7597 Bilal746Participant A function is mapped on real sets are starting domain and getting real numbers as output. whereas functionals are mapped on functions values where the target set is a complex number. 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