Documentation

Mathlib.Data.Complex.BigOperators

Finite sums and products of complex numbers #

@[simp]
theorem Complex.ofReal_prod {α : Type u_1} (s : Finset α) (f : α) :
(Finset.prod s fun (i : α) => f i) = Finset.prod s fun (i : α) => (f i)
@[simp]
theorem Complex.ofReal_sum {α : Type u_1} (s : Finset α) (f : α) :
(Finset.sum s fun (i : α) => f i) = Finset.sum s fun (i : α) => (f i)
@[simp]
theorem Complex.re_sum {α : Type u_1} (s : Finset α) (f : α) :
(Finset.sum s fun (i : α) => f i).re = Finset.sum s fun (i : α) => (f i).re
@[simp]
theorem Complex.im_sum {α : Type u_1} (s : Finset α) (f : α) :
(Finset.sum s fun (i : α) => f i).im = Finset.sum s fun (i : α) => (f i).im