Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by Thomas. Viewing 1 post (of 1 total) Author Posts October 3, 2023 at 10:41 am #9267 ThomasParticipant A Derivative “evaluated at” could be considered a functional, for example: F[f]= ∂f(x)/∂x |x=0 Which indeed maps a function “f” to 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
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