Home › Forums › density functional theory › functions and functionals › One simple example of functional This topic has 0 replies, 1 voice, and was last updated 6 months ago by jiehuang.fi@gmail.com. Viewing 1 post (of 1 total) Author Posts June 16, 2024 at 7:03 pm #10925 jiehuang.fi@gmail.comParticipant The definite integral of f(x) = x^2 from 1 to 3 is a functional, which takes a function f(x) as the input and produce a 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
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