Theorems · Theorem · combinatorics

Matrix.isHadamard_submatrix_equiv_iff

∀ {m : Type u_1} {n : Type u_2} {R : Type u_3} [inst : Fintype m] [inst_1 : Fintype n] [inst_2 : DecidableEq m]
  [inst_3 : DecidableEq n] [inst_4 : Semiring R] [inst_5 : StarRing R] {A : Matrix n n R} (e₁ e₂ : m ≃ n),
  (A.submatrix ⇑e₁ ⇑e₂).IsHadamard ↔ A.IsHadamard

Defined in

Mathlib.LinearAlgebra.Matrix.HadamardMatrix

Cited by

0 results in Mathlib

Foundations

Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

FintypeFintypeDecidableEqDecidableEqSemiringStarRing