(A : F →L[ℂ] F) (x : F) (hx : ‖x‖ = 1) : ‖A x‖ ^ 2 = resid A x ^ 2 + rayleigh A x ^ 2

Initializing...

(A : F →L[ℂ] F) (x : F) (hx : ‖x‖ = 1) : ‖A x‖ ^ 2 = resid A x ^ 2 + rayleigh A x ^ 2 · Prove2Me