Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 week, 4 days ago by SeppeLefevere. Viewing 1 post (of 1 total) Author Posts October 1, 2025 at 2:16 pm #13312 SeppeLefevereParticipant The value of the function at a certain point, f(a). the norm of a function, which gives you how big, large the function is 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