functions and functionals Rory Home › Forums › density functional theory › functions and functionals › functions and functionals Rory This topic has 0 replies, 1 voice, and was last updated 3 hours, 22 minutes ago by ELLROR001. Viewing 1 post (of 1 total) Author Posts April 7, 2026 at 7:29 pm #14551 ELLROR001Participant In QM in bra ket notation, bras eat the kets (vectors) and return scalars. 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