Theorems · Theorem · linear algebra

Matrix.scalar_apply

∀ {n : Type u_3} {α : Type u_11} [inst : Semiring α] [inst_1 : DecidableEq n] [inst_2 : Fintype n] (a : α),
  (Matrix.scalar n) a = Matrix.diagonal fun x => a

Defined in

Mathlib.Data.Matrix.Basic

Cited by

6 results in Mathlib

Foundations

Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

SemiringDecidableEqFintype