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https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add'
[121, 1]
[168, 57]
rw [← det_mul, ← det_conj this (A + B)]
n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ A.det * (1 + sqrtA⁻¹ * B * sqrtA⁻¹).det = (A + B).det
n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ (A * (1 + sqrtA⁻¹ * B * sqrtA⁻¹)).det = (sqrtA * (A + B) * sqrtA⁻¹).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add'
[121, 1]
[168, 57]
apply congr_arg
n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ (A * (1 + sqrtA⁻¹ * B * sqrtA⁻¹)).det = (sqrtA * (A + B) * sqrtA⁻¹).det
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ A * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (A + B) * sqrtA⁻¹
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add'
[121, 1]
[168, 57]
rw [← hA.posSemidef.sqrt_mul_sqrt]
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ A * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (A + B) * sqrtA⁻¹
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ ⋯.sqrt * ⋯.sqrt * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (⋯.sqrt * ⋯.sqrt + B) * sqrtA⁻¹
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add'
[121, 1]
[168, 57]
change sqrtA * sqrtA * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (sqrtA * sqrtA + B) * sqrtA⁻¹
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ ⋯.sqrt * ⋯.sqrt * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (⋯.sqrt * ⋯.sqrt + B) * sqrtA⁻¹
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ sqrtA * sqrtA * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (sqrtA * sqrtA + B) * sqrtA⁻¹
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add'
[121, 1]
[168, 57]
rw [Matrix.mul_add, Matrix.mul_one, Matrix.mul_add, Matrix.add_mul, Matrix.mul_assoc, Matrix.mul_assoc, Matrix.mul_assoc, Matrix.mul_assoc, ← Matrix.mul_assoc _ _ (B * _), Matrix.mul_nonsing_inv _ isUnit_det_sqrtA, Matrix.one_mul, Matrix.mul_one, hA.posSemidef.sqrt_mul_sqrt, Matrix.mul_assoc]
case h n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosDef hB : B.PosSemidef sqrtA : Matrix n n ℝ := ⋯.sqrt isUnit_det_sqrtA : IsUnit ⋯.sqrt.det this : IsUnit sqrtA IsHermitian_sqrtA : sqrtA⁻¹.IsHermitian PosSemidef_ABA : (sqrtA⁻¹ * B * sqrtA⁻¹).PosSemidef μ : n → ℝ := ⋯.eigenvalues ⊢ sqrtA * sqrtA * (1 + sqrtA⁻¹ * B * sqrtA⁻¹) = sqrtA * (sqrtA * sqrtA + B) * sqrtA⁻¹
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
by_cases hA' : A.det = 0
n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef ⊢ A.det + B.det ≤ (A + B).det
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 ⊢ A.det + B.det ≤ (A + B).det case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : ¬A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
{ by_cases hB' : B.det = 0 { simp [hA', hB'] apply (hA.add hB).det_nonneg } { rw [add_comm A B, add_comm A.det B.det] apply det_add_det_le_det_add' _ _ (hB.PosDef_iff_det_ne_zero.2 hB') hA } }
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 ⊢ A.det + B.det ≤ (A + B).det case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : ¬A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : ¬A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
{ apply det_add_det_le_det_add' _ _ (hA.PosDef_iff_det_ne_zero.2 hA') hB }
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : ¬A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
by_cases hB' : B.det = 0
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : B.det = 0 ⊢ A.det + B.det ≤ (A + B).det case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
{ simp [hA', hB'] apply (hA.add hB).det_nonneg }
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : B.det = 0 ⊢ A.det + B.det ≤ (A + B).det case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
{ rw [add_comm A B, add_comm A.det B.det] apply det_add_det_le_det_add' _ _ (hB.PosDef_iff_det_ne_zero.2 hB') hA }
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
simp [hA', hB']
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : B.det = 0 ⊢ 0 ≤ (A + B).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
apply (hA.add hB).det_nonneg
case pos n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : B.det = 0 ⊢ 0 ≤ (A + B).det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
rw [add_comm A B, add_comm A.det B.det]
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ A.det + B.det ≤ (A + B).det
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ B.det + A.det ≤ (B + A).det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
apply det_add_det_le_det_add' _ _ (hB.PosDef_iff_det_ne_zero.2 hB') hA
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : A.det = 0 hB' : ¬B.det = 0 ⊢ B.det + A.det ≤ (B + A).det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Subadditivity.lean
Matrix.det_add_det_le_det_add
[170, 1]
[179, 77]
apply det_add_det_le_det_add' _ _ (hA.PosDef_iff_det_ne_zero.2 hA') hB
case neg n : Type u_1 inst✝⁴ : Fintype n inst✝³ : DecidableEq n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n inst✝ : Nonempty n A B : Matrix n n ℝ hA : A.PosSemidef hB : B.PosSemidef hA' : ¬A.det = 0 ⊢ A.det + B.det ≤ (A + B).det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.abs_le_of_sqrt_sq_add_nonneg_le
[64, 1]
[69, 50]
rw [sqrt_le_iff] at h
a b c : ℝ hb : 0 ≤ b h : (a ^ 2 + b).sqrt ≤ c ⊢ |a| ≤ c
a b c : ℝ hb : 0 ≤ b h : 0 ≤ c ∧ a ^ 2 + b ≤ c ^ 2 ⊢ |a| ≤ c
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.abs_le_of_sqrt_sq_add_nonneg_le
[64, 1]
[69, 50]
replace ⟨hc, h⟩ := h
a b c : ℝ hb : 0 ≤ b h : 0 ≤ c ∧ a ^ 2 + b ≤ c ^ 2 ⊢ |a| ≤ c
a b c : ℝ hb : 0 ≤ b hc : 0 ≤ c h : a ^ 2 + b ≤ c ^ 2 ⊢ |a| ≤ c
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.abs_le_of_sqrt_sq_add_nonneg_le
[64, 1]
[69, 50]
replace h := le_trans (le_add_of_nonneg_right hb) h
a b c : ℝ hb : 0 ≤ b hc : 0 ≤ c h : a ^ 2 + b ≤ c ^ 2 ⊢ |a| ≤ c
a b c : ℝ hb : 0 ≤ b hc : 0 ≤ c h : a ^ 2 ≤ c ^ 2 ⊢ |a| ≤ c
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.abs_le_of_sqrt_sq_add_nonneg_le
[64, 1]
[69, 50]
rwa [rpow_two, sq_le_sq, abs_of_nonneg hc] at h
a b c : ℝ hb : 0 ≤ b hc : 0 ≤ c h : a ^ 2 ≤ c ^ 2 ⊢ |a| ≤ c
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
rw [h]
x y : ℝ hx : 0 < x hy : 0 < y h : x = y ⊢ x.log = y.log
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
have hxmem := Set.mem_Ioi.2 hx
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log ⊢ x = y
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 ⊢ x = y
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
have hymem := Set.mem_Ioi.2 hy
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 ⊢ x = y
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 ⊢ x = y
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
have heq : Set.restrict (Set.Ioi 0) log ⟨x, hxmem⟩ = Set.restrict (Set.Ioi 0) log ⟨y, hymem⟩ := by simp [h]
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 ⊢ x = y
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ ⊢ x = y
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
have h := log_injOn_pos.injective heq
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ ⊢ x = y
x y : ℝ hx : 0 < x hy : 0 < y h✝ : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ h : ⟨x, hxmem⟩ = ⟨y, hymem⟩ ⊢ x = y
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
simp [Subtype.eq] at h
x y : ℝ hx : 0 < x hy : 0 < y h✝ : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ h : ⟨x, hxmem⟩ = ⟨y, hymem⟩ ⊢ x = y
x y : ℝ hx : 0 < x hy : 0 < y h✝ : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ h : x = y ⊢ x = y
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
exact h
x y : ℝ hx : 0 < x hy : 0 < y h✝ : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 heq : (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩ h : x = y ⊢ x = y
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.log_eq_log
[73, 1]
[83, 13]
simp [h]
x y : ℝ hx : 0 < x hy : 0 < y h : x.log = y.log hxmem : x ∈ Set.Ioi 0 hymem : y ∈ Set.Ioi 0 ⊢ (Set.Ioi 0).restrict log ⟨x, hxmem⟩ = (Set.Ioi 0).restrict log ⟨y, hymem⟩
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.div_pow_eq_mul_pow_neg
[85, 1]
[87, 37]
rw [div_eq_mul_inv, ← rpow_neg hb]
a b c : ℝ hb : 0 ≤ b ⊢ a / b ^ c = a * b ^ (-c)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.one_div_eq_pow_neg_one
[89, 1]
[90, 65]
rw [rpow_neg (le_of_lt ha), rpow_one, div_eq_mul_inv, one_mul]
a : ℝ ha : 0 < a ⊢ 1 / a = a ^ (-1)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.inv_eq_pow_neg_one
[92, 1]
[93, 49]
rw [inv_eq_one_div, one_div_eq_pow_neg_one ha]
a : ℝ ha : 0 < a ⊢ a⁻¹ = a ^ (-1)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.pow_half_two
[95, 1]
[98, 11]
show rpow (rpow _ _) _ = _
x : ℝ hx : 0 ≤ x ⊢ (x ^ (1 / 2)) ^ 2 = x
x : ℝ hx : 0 ≤ x ⊢ (x.rpow (1 / 2)).rpow 2 = x
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.pow_half_two
[95, 1]
[98, 11]
rw [rpow_eq_pow, rpow_eq_pow, ← rpow_mul hx]
x : ℝ hx : 0 ≤ x ⊢ (x.rpow (1 / 2)).rpow 2 = x
x : ℝ hx : 0 ≤ x ⊢ x ^ (1 / 2 * 2) = x
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.pow_half_two
[95, 1]
[98, 11]
norm_num
x : ℝ hx : 0 ≤ x ⊢ x ^ (1 / 2 * 2) = x
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.pow_two_le_pow_two
[100, 1]
[102, 72]
rw [rpow_two, rpow_two, sq_le_sq, abs_of_nonneg hx, abs_of_nonneg hy]
x y : ℝ hx : 0 ≤ x hy : 0 ≤ y ⊢ x ^ 2 ≤ y ^ 2 ↔ x ≤ y
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.binomial_two
[104, 1]
[106, 29]
ring
x y : ℝ ⊢ (x + y) ^ 2 = x ^ 2 + (2 * (x * y) + y ^ 2)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.rpow_eq_mul_rpow_pred
[108, 1]
[110, 76]
conv => left; rw [(by ring : y = (y - 1) + 1), rpow_add_one hx, mul_comm]
x y : ℝ hx : x ≠ 0 ⊢ x ^ y = x * x ^ (y - 1)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.rpow_eq_mul_rpow_pred
[108, 1]
[110, 76]
ring
x y : ℝ hx : x ≠ 0 ⊢ y = y - 1 + 1
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/Data/Real.lean
Real.exp_neg_eq_one_div
[112, 1]
[113, 31]
rw [exp_neg, inv_eq_one_div]
x : ℝ ⊢ (-x).exp = 1 / x.exp
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Relaxation.lean
Minimization.Relaxation.induces_original_problem_optimality
[57, 1]
[66, 41]
refine ⟨h_feas_y, ?_⟩
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) ⊢ p.optimal (phi_inv y)
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) ⊢ ∀ (y_1 : D), p.feasible y_1 → p.objFun (phi_inv y) ≤ p.objFun y_1
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Relaxation.lean
Minimization.Relaxation.induces_original_problem_optimality
[57, 1]
[66, 41]
intros x h_feas_x
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) ⊢ ∀ (y_1 : D), p.feasible y_1 → p.objFun (phi_inv y) ≤ p.objFun y_1
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x ⊢ p.objFun (phi_inv y) ≤ p.objFun x
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Relaxation.lean
Minimization.Relaxation.induces_original_problem_optimality
[57, 1]
[66, 41]
rw [h_objFun _ h_feas_y, phi_left_inv]
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x ⊢ p.objFun (phi_inv y) ≤ p.objFun x
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x ⊢ q.objFun y ≤ p.objFun x
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Relaxation.lean
Minimization.Relaxation.induces_original_problem_optimality
[57, 1]
[66, 41]
have h_bound := h_opt_y.2 (Rx.phi x) (Rx.phi_feasibility x h_feas_x)
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x ⊢ q.objFun y ≤ p.objFun x
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x h_bound : q.objFun y ≤ q.objFun (Rx.phi x) ⊢ q.objFun y ≤ p.objFun x
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Relaxation.lean
Minimization.Relaxation.induces_original_problem_optimality
[57, 1]
[66, 41]
rwa [← h_objFun _ h_feas_x] at h_bound
D E F R : Type inst✝ : Preorder R p : Minimization D R q : Minimization E R r : Minimization F R Rx : p.Relaxation q phi_inv : E → D phi_left_inv : Function.LeftInverse Rx.phi phi_inv h_objFun : ∀ (x : D), p.feasible x → p.objFun x = q.objFun (Rx.phi x) y : E h_opt_y : q.optimal y h_feas_y : p.feasible (phi_inv y) x : D h_feas_x : p.feasible x h_bound : q.objFun y ≤ q.objFun (Rx.phi x) ⊢ q.objFun y ≤ p.objFun x
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.PosSemidef_zero
[30, 1]
[32, 20]
simp [PosSemidef]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef ⊢ PosSemidef 0
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
have h_D_eq : D = Z * A⁻¹ * Zᴴ := calc D = D * D⁻¹ * D := by rw [hD, Matrix.mul_inv_of_invertible, Matrix.one_mul] _ = D * (LDL.lowerInv hA * A * (LDL.lowerInv hA)ᵀ)⁻¹ * Dᵀ := by erw [hD, LDL.diag, diagonal_transpose, ← LDL.diag, LDL.diag_eq_lowerInv_conj] rfl _ = D * (LDL.lower hA)ᵀ * A⁻¹ * (D * (LDL.lower hA)ᵀ)ᵀ := by simp only [hD, LDL.lower, transpose_mul, transpose_transpose, transpose_nonsing_inv, Matrix.mul_assoc, Matrix.mul_inv_rev] _ = Z * A⁻¹ * Zᴴ := by rw [hZ, hD]; rfl
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
haveI := hA.Invertible
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose this : Invertible A ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
erw [PosSemidef.fromBlocks₂₂ _ _ hA]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose this : Invertible A ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose this : Invertible A ⊢ (D - Z * A⁻¹ * Z.conjTranspose).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
simp [h_D_eq]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose h_D_eq : D = Z * A⁻¹ * Z.conjTranspose this : Invertible A ⊢ (D - Z * A⁻¹ * Z.conjTranspose).PosSemidef
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
rw [hD, Matrix.mul_inv_of_invertible, Matrix.one_mul]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ D = D * D⁻¹ * D
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
erw [hD, LDL.diag, diagonal_transpose, ← LDL.diag, LDL.diag_eq_lowerInv_conj]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ D * D⁻¹ * D = D * (LDL.lowerInv hA * A * (LDL.lowerInv hA).transpose)⁻¹ * D.transpose
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose)⁻¹ * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose) = LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose * (LDL.lowerInv hA * A * (LDL.lowerInv hA).transpose)⁻¹ * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose)
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
rfl
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose)⁻¹ * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose) = LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose * (LDL.lowerInv hA * A * (LDL.lowerInv hA).transpose)⁻¹ * (LDL.lowerInv hA * A * (LDL.lowerInv hA).conjTranspose)
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
simp only [hD, LDL.lower, transpose_mul, transpose_transpose, transpose_nonsing_inv, Matrix.mul_assoc, Matrix.mul_inv_rev]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ D * (LDL.lowerInv hA * A * (LDL.lowerInv hA).transpose)⁻¹ * D.transpose = D * (LDL.lower hA).transpose * A⁻¹ * (D * (LDL.lower hA).transpose).transpose
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
rw [hZ, hD]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ D * (LDL.lower hA).transpose * A⁻¹ * (D * (LDL.lower hA).transpose).transpose = Z * A⁻¹ * Z.conjTranspose
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ LDL.diag hA * (LDL.lower hA).transpose * A⁻¹ * (LDL.diag hA * (LDL.lower hA).transpose).transpose = LDL.diag hA * (LDL.lower hA).transpose * A⁻¹ * (LDL.diag hA * (LDL.lower hA).transpose).conjTranspose
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef
[34, 1]
[50, 16]
rfl
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z : Matrix n n ℝ hD : D = LDL.diag hA hZ : Z = LDL.diag hA * (LDL.lower hA).transpose ⊢ LDL.diag hA * (LDL.lower hA).transpose * A⁻¹ * (LDL.diag hA * (LDL.lower hA).transpose).transpose = LDL.diag hA * (LDL.lower hA).transpose * A⁻¹ * (LDL.diag hA * (LDL.lower hA).transpose).conjTranspose
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
have hY_tri : upperTriangular Y := by { rw [hY] apply upperTriangular.mul apply BlockTriangular_diagonal apply lowerTriangular.transpose apply LDL.lowerTriangular_lower }
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
haveI := hA.Invertible
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
rw [hZ, hY_tri.toUpperTri_eq]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ (D.fromBlocks Z Z.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ (D.fromBlocks Y Y.transpose A).PosSemidef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
apply LogDetAtom.feasibility_PosDef _ _ hY
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ (D.fromBlocks Y Y.transpose A).PosSemidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ D = LDL.diag hA
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
simp [hD, hY, LDL.diag]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hY_tri : Y.upperTriangular this : Invertible A ⊢ D = LDL.diag hA
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
rw [hY]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ Y.upperTriangular
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.diag hA * (LDL.lower hA).transpose).upperTriangular
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
apply upperTriangular.mul
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.diag hA * (LDL.lower hA).transpose).upperTriangular
case hM n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.diag hA).upperTriangular case hN n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).transpose.upperTriangular
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
apply BlockTriangular_diagonal
case hM n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.diag hA).upperTriangular case hN n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).transpose.upperTriangular
case hN n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).transpose.upperTriangular
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
apply lowerTriangular.transpose
case hN n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).transpose.upperTriangular
case hN.hM n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).lowerTriangular
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_PosDef'
[52, 1]
[63, 26]
apply LDL.lowerTriangular_lower
case hN.hM n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef D Z Y : Matrix n n ℝ hY : Y = LDL.diag hA * (LDL.lower hA).transpose hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri ⊢ (LDL.lower hA).lowerTriangular
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LDL.diagEntries_pos
[65, 1]
[70, 38]
have : (LDL.lowerInv hA).det ≠ 0 := by simp [LDL.det_lowerInv hA]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n ⊢ 0 < LDL.diagEntries hA i
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n this : (LDL.lowerInv hA).det ≠ 0 ⊢ 0 < LDL.diagEntries hA i
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LDL.diagEntries_pos
[65, 1]
[70, 38]
have : LDL.lowerInv hA i ≠ 0 := fun h => this (Matrix.det_eq_zero_of_row_eq_zero i (λ j => congr_fun h j))
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n this : (LDL.lowerInv hA).det ≠ 0 ⊢ 0 < LDL.diagEntries hA i
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n this✝ : (LDL.lowerInv hA).det ≠ 0 this : LDL.lowerInv hA i ≠ 0 ⊢ 0 < LDL.diagEntries hA i
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LDL.diagEntries_pos
[65, 1]
[70, 38]
exact hA.2 (LDL.lowerInv hA i) this
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n this✝ : (LDL.lowerInv hA).det ≠ 0 this : LDL.lowerInv hA i ≠ 0 ⊢ 0 < LDL.diagEntries hA i
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LDL.diagEntries_pos
[65, 1]
[70, 38]
simp [LDL.det_lowerInv hA]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n ⊢ (LDL.lowerInv hA).det ≠ 0
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.solution_eq_atom
[72, 1]
[77, 31]
conv => rhs; rw [(LDL.lower_conj_diag hA).symm]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef ⊢ ∑ i : n, (LDL.diagEntries hA i).log = A.det.log
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef ⊢ ∑ i : n, (LDL.diagEntries hA i).log = (LDL.lower hA * LDL.diag hA * (LDL.lower hA).conjTranspose).det.log
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.solution_eq_atom
[72, 1]
[77, 31]
have heqsum := Real.log_prod Finset.univ (LDL.diagEntries hA) (fun i _ => ne_of_gt (LDL.diagEntries_pos hA i))
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef ⊢ ∑ i : n, (LDL.diagEntries hA i).log = (LDL.lower hA * LDL.diag hA * (LDL.lower hA).conjTranspose).det.log
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef heqsum : (∏ i : n, LDL.diagEntries hA i).log = ∑ i : n, (LDL.diagEntries hA i).log ⊢ ∑ i : n, (LDL.diagEntries hA i).log = (LDL.lower hA * LDL.diag hA * (LDL.lower hA).conjTranspose).det.log
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.solution_eq_atom
[72, 1]
[77, 31]
simp [LDL.diag, heqsum.symm]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef heqsum : (∏ i : n, LDL.diagEntries hA i).log = ∑ i : n, (LDL.diagEntries hA i).log ⊢ ∑ i : n, (LDL.diagEntries hA i).log = (LDL.lower hA * LDL.diag hA * (LDL.lower hA).conjTranspose).det.log
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.feasibility_exp
[79, 1]
[81, 18]
simp [LDL.diag]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA✝ : A✝.PosDef A : Matrix n n ℝ hA : A.PosDef i : n ⊢ LDL.diagEntries hA i ≤ (LDL.diag hA * (LDL.lower hA).transpose).diag i
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.IsHermitian₁₁_of_IsHermitian_toBlock
[83, 1]
[85, 71]
ext i j
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian ⊢ A.IsHermitian
case a n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian i j : n ⊢ A.conjTranspose i j = A i j
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.IsHermitian₁₁_of_IsHermitian_toBlock
[83, 1]
[85, 71]
simpa using congr_fun (congr_fun h (Sum.inl i)) (Sum.inl j)
case a n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian i j : n ⊢ A.conjTranspose i j = A i j
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.IsHermitian₂₂_of_IsHermitian_toBlock
[87, 1]
[89, 71]
ext i j
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian ⊢ D.IsHermitian
case a n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian i j : n ⊢ D.conjTranspose i j = D i j
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.IsHermitian₂₂_of_IsHermitian_toBlock
[87, 1]
[89, 71]
simpa using congr_fun (congr_fun h (Sum.inr i)) (Sum.inr j)
case a n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).IsHermitian i j : n ⊢ D.conjTranspose i j = D i j
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.PosSemidef₁₁_of_PosSemidef_toBlock
[91, 1]
[94, 80]
simpa [Matrix.fromBlocks_mulVec, star] using h.2 (Sum.elim x 0)
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).PosSemidef x : n → ℝ ⊢ 0 ≤ star x ⬝ᵥ A.mulVec x
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.PosSemidef₂₂_of_PosSemidef_toBlock
[96, 1]
[100, 80]
simpa [Matrix.fromBlocks_mulVec, star] using h.2 (Sum.elim 0 x)
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A✝ : Matrix n n ℝ hA : A✝.PosDef A B C D : Matrix n n ℝ h : (A.fromBlocks B C D).PosSemidef x : n → ℝ ⊢ 0 ≤ star x ⬝ᵥ D.mulVec x
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_D_posdef
[102, 1]
[108, 70]
have h_D_psd : D.PosSemidef := PosSemidef₁₁_of_PosSemidef_toBlock hPSD
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef ⊢ D.PosDef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_psd : D.PosSemidef ⊢ D.PosDef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_D_posdef
[102, 1]
[108, 70]
{ rw [h_D_psd.PosDef_iff_det_ne_zero, hD, det_diagonal, Finset.prod_ne_zero_iff] exact λ i _ => ne_of_gt (lt_of_lt_of_le ((t i).exp_pos) (ht i)) }
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_psd : D.PosSemidef ⊢ D.PosDef
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_D_posdef
[102, 1]
[108, 70]
rw [h_D_psd.PosDef_iff_det_ne_zero, hD, det_diagonal, Finset.prod_ne_zero_iff]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_psd : D.PosSemidef ⊢ D.PosDef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_psd : D.PosSemidef ⊢ ∀ a ∈ Finset.univ, Y.diag a ≠ 0
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_D_posdef
[102, 1]
[108, 70]
exact λ i _ => ne_of_gt (lt_of_lt_of_le ((t i).exp_pos) (ht i))
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag _hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_psd : D.PosSemidef ⊢ ∀ a ∈ Finset.univ, Y.diag a ≠ 0
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
by_cases h_nonempty : Nonempty n
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n ⊢ D.det ≤ A.det case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
{ have h_D_pd : D.PosDef := LogDetAtom.optimality_D_posdef ht hD hZ hPSD haveI h_D_invertible : Invertible D := h_D_pd.Invertible have h_Zdet : Z.det = D.det := by { rw [hZ, det_of_upperTriangular (upperTriangular_toUpperTri Y), hD, det_diagonal] simp [toUpperTri] } have h_ZDZ_semidef : (Zᴴ * D⁻¹ * Z).PosSemidef := PosSemidef.conjTranspose_mul_mul D⁻¹ Z h_D_pd.nonsingular_inv.posSemidef have h_AZDZ_semidef : (A - Zᴴ * D⁻¹ * Z).PosSemidef := (PosSemidef.fromBlocks₁₁ Z A h_D_pd).1 hPSD show D.det ≤ A.det { apply le_of_add_le_of_nonneg_left _ h_AZDZ_semidef.det_nonneg simpa [h_Zdet] using det_add_det_le_det_add _ _ h_ZDZ_semidef h_AZDZ_semidef } }
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n ⊢ D.det ≤ A.det case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n ⊢ D.det ≤ A.det
case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
{ haveI h_empty := not_nonempty_iff.1 h_nonempty simp [Matrix.det_isEmpty] }
case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n ⊢ D.det ≤ A.det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
have h_D_pd : D.PosDef := LogDetAtom.optimality_D_posdef ht hD hZ hPSD
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
haveI h_D_invertible : Invertible D := h_D_pd.Invertible
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
have h_Zdet : Z.det = D.det := by { rw [hZ, det_of_upperTriangular (upperTriangular_toUpperTri Y), hD, det_diagonal] simp [toUpperTri] }
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
have h_ZDZ_semidef : (Zᴴ * D⁻¹ * Z).PosSemidef := PosSemidef.conjTranspose_mul_mul D⁻¹ Z h_D_pd.nonsingular_inv.posSemidef
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
have h_AZDZ_semidef : (A - Zᴴ * D⁻¹ * Z).PosSemidef := (PosSemidef.fromBlocks₁₁ Z A h_D_pd).1 hPSD
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det ≤ A.det
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef h_AZDZ_semidef : (A - Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
{ apply le_of_add_le_of_nonneg_left _ h_AZDZ_semidef.det_nonneg simpa [h_Zdet] using det_add_det_le_det_add _ _ h_ZDZ_semidef h_AZDZ_semidef }
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef h_AZDZ_semidef : (A - Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det ≤ A.det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
rw [hZ, det_of_upperTriangular (upperTriangular_toUpperTri Y), hD, det_diagonal]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D ⊢ Z.det = D.det
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D ⊢ ∏ i : n, Y.toUpperTri i i = ∏ i : n, Y.diag i
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
simp [toUpperTri]
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D ⊢ ∏ i : n, Y.toUpperTri i i = ∏ i : n, Y.diag i
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
apply le_of_add_le_of_nonneg_left _ h_AZDZ_semidef.det_nonneg
case pos n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef h_AZDZ_semidef : (A - Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det ≤ A.det
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef h_AZDZ_semidef : (A - Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det + (A - Z.conjTranspose * D⁻¹ * Z).det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
simpa [h_Zdet] using det_add_det_le_det_add _ _ h_ZDZ_semidef h_AZDZ_semidef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : Nonempty n h_D_pd : D.PosDef h_D_invertible : Invertible D h_Zdet : Z.det = D.det h_ZDZ_semidef : (Z.conjTranspose * D⁻¹ * Z).PosSemidef h_AZDZ_semidef : (A - Z.conjTranspose * D⁻¹ * Z).PosSemidef ⊢ D.det + (A - Z.conjTranspose * D⁻¹ * Z).det ≤ A.det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
haveI h_empty := not_nonempty_iff.1 h_nonempty
case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n ⊢ D.det ≤ A.det
case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n h_empty : IsEmpty n ⊢ D.det ≤ A.det
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.optimality_Ddet_le_Adet
[110, 1]
[127, 32]
simp [Matrix.det_isEmpty]
case neg n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_nonempty : ¬Nonempty n h_empty : IsEmpty n ⊢ D.det ≤ A.det
no goals
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.cond_elim
[129, 1]
[137, 28]
have h_D_pd : D.PosDef := LogDetAtom.optimality_D_posdef ht hD hZ hPSD
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef ⊢ A.PosDef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_pd : D.PosDef ⊢ A.PosDef
https://github.com/verified-optimization/CvxLean.git
c62c2f292c6420f31a12e738ebebdfed50f6f840
CvxLean/Lib/Math/LogDet.lean
Matrix.LogDetAtom.cond_elim
[129, 1]
[137, 28]
have h_A_psd : A.PosSemidef := PosSemidef₂₂_of_PosSemidef_toBlock hPSD
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_pd : D.PosDef ⊢ A.PosDef
n : Type inst✝³ : Fintype n inst✝² : LinearOrder n inst✝¹ : LocallyFiniteOrderBot n 𝕜 : Type inst✝ : RCLike 𝕜 A : Matrix n n ℝ hA : A.PosDef t : n → ℝ Y Z D : Matrix n n ℝ ht : ∀ (i : n), (t i).exp ≤ Y.diag i hD : D = diagonal Y.diag hZ : Z = Y.toUpperTri hPSD : (D.fromBlocks Z Z.transpose A).PosSemidef h_D_pd : D.PosDef h_A_psd : A.PosSemidef ⊢ A.PosDef