data.matrix.dual_number | Mathlib porting status

Changes since the initial port

The following section lists changes to this file in mathlib3 and mathlib4 that occured after the initial port. Most recent changes are shown first. Hovering over a commit will show all commits associated with the same mathlib3 commit.

Changes in mathlib3

eb0cb451

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

d64d67d0

bump to nightly-2023-09-24-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

5655435f

Diff

@@ -3,8 +3,8 @@ Copyright (c) 2023 Eric Wieser. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Eric Wieser
 -/
-import Mathbin.Algebra.DualNumber
-import Mathbin.Data.Matrix.Basic
+import Algebra.DualNumber
+import Data.Matrix.Basic
 
 #align_import data.matrix.dual_number from "leanprover-community/mathlib"@"d64d67d000b974f0d86a2be7918cf800be6271c8"

d64d67d0

bump to nightly-2023-07-20-09

mathlib commit https://github.com/leanprover-community/mathlib/commit/8ea5598db6caeddde6cb734aa179cc2408dbd345

9c56d0dd

Diff

@@ -2,15 +2,12 @@
 Copyright (c) 2023 Eric Wieser. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Eric Wieser
-
-! This file was ported from Lean 3 source module data.matrix.dual_number
-! leanprover-community/mathlib commit d64d67d000b974f0d86a2be7918cf800be6271c8
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.DualNumber
 import Mathbin.Data.Matrix.Basic
 
+#align_import data.matrix.dual_number from "leanprover-community/mathlib"@"d64d67d000b974f0d86a2be7918cf800be6271c8"
+
 /-!
 # Matrices of dual numbers are isomorphic to dual numbers over matrices

d64d67d0

bump to nightly-2023-04-06-02

mathlib commit https://github.com/leanprover-community/mathlib/commit/06a655b5fcfbda03502f9158bbf6c0f1400886f9

89485060

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Eric Wieser
 
 ! This file was ported from Lean 3 source module data.matrix.dual_number
-! leanprover-community/mathlib commit eb0cb4511aaef0da2462207b67358a0e1fe1e2ee
+! leanprover-community/mathlib commit d64d67d000b974f0d86a2be7918cf800be6271c8
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -14,6 +14,9 @@ import Mathbin.Data.Matrix.Basic
 /-!
 # Matrices of dual numbers are isomorphic to dual numbers over matrices
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 Showing this for the more general case of `triv_sq_zero_ext R M` would require an action between
 `matrix n n R` and `matrix n n M`, which would risk causing diamonds.
 -/

eb0cb451

bump to nightly-2023-04-03-12

mathlib commit https://github.com/leanprover-community/mathlib/commit/d95bef0d215ea58c0fd7bbc4b151bf3fe952c095

c6c3ccde

Diff

@@ -23,6 +23,7 @@ variable {R n : Type} [CommSemiring R] [Fintype n] [DecidableEq n]
 
 open Matrix TrivSqZeroExt
 
+#print Matrix.dualNumberEquiv /-
 /-- Matrices over dual numbers and dual numbers over matrices are isomorphic. -/
 @[simps]
 def Matrix.dualNumberEquiv : Matrix n n (DualNumber R) ≃ₐ[R] DualNumber (Matrix n n R)
@@ -43,4 +44,5 @@ def Matrix.dualNumberEquiv : Matrix n n (DualNumber R) ≃ₐ[R] DualNumber (Mat
       snd_inl]
     rfl
 #align matrix.dual_number_equiv Matrix.dualNumberEquiv
+-/

eb0cb451

bump to nightly-2023-02-27-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/eb0cb4511aaef0da2462207b67358a0e1fe1e2ee

e1a04c87

Changes in mathlib4

mathlib3

mathlib4

eb0cb451

chore: remove nonterminal simp (#7580)

Removes nonterminal simps on lines looking like simp [...]

6fc8e6ec

Diff

@@ -33,7 +33,7 @@ def Matrix.dualNumberEquiv : Matrix n n (DualNumber R) ≃ₐ[R] DualNumber (Mat
       simp_rw [fst_sum]
       rfl
     · simp_rw [snd_mul, smul_eq_mul, op_smul_eq_mul]
-      simp [mul_apply, snd_sum, snd_mul]
+      simp only [mul_apply, snd_sum, DualNumber.snd_mul, snd_mk, of_apply, fst_mk, add_apply]
       rw [← Finset.sum_add_distrib]
   map_add' A B := TrivSqZeroExt.ext rfl rfl
   commutes' r := by

eb0cb451

chore: script to replace headers with #align_import statements (#5979)

depends on: #5966

Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

89aa3a3b

Diff

@@ -2,15 +2,12 @@
 Copyright (c) 2023 Eric Wieser. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Eric Wieser
-
-! This file was ported from Lean 3 source module data.matrix.dual_number
-! leanprover-community/mathlib commit eb0cb4511aaef0da2462207b67358a0e1fe1e2ee
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.DualNumber
 import Mathlib.Data.Matrix.Basic
 
+#align_import data.matrix.dual_number from "leanprover-community/mathlib"@"eb0cb4511aaef0da2462207b67358a0e1fe1e2ee"
+
 /-!
 # Matrices of dual numbers are isomorphic to dual numbers over matrices

eb0cb451

feat: implement intermediate state for simp_rw (#3738)

closes #3680, see https://leanprover.zulipchat.com/#narrow/stream/287929-mathlib4/topic/Stepping.20through.20simp_rw/near/326712986

ff334843

Diff

@@ -33,9 +33,9 @@ def Matrix.dualNumberEquiv : Matrix n n (DualNumber R) ≃ₐ[R] DualNumber (Mat
   map_mul' A B := by
     ext
     · dsimp [mul_apply]
-      simp_rw [fst_sum, fst_mul]
+      simp_rw [fst_sum]
       rfl
-    · simp_rw [snd_sum, snd_mul, smul_eq_mul, op_smul_eq_mul, Finset.sum_add_distrib]
+    · simp_rw [snd_mul, smul_eq_mul, op_smul_eq_mul]
       simp [mul_apply, snd_sum, snd_mul]
       rw [← Finset.sum_add_distrib]
   map_add' A B := TrivSqZeroExt.ext rfl rfl

eb0cb451

chore: tidy various files (#3358)

5cedfb5e

Diff

@@ -31,8 +31,9 @@ def Matrix.dualNumberEquiv : Matrix n n (DualNumber R) ≃ₐ[R] DualNumber (Mat
   left_inv A := Matrix.ext fun i j => TrivSqZeroExt.ext rfl rfl
   right_inv d := TrivSqZeroExt.ext (Matrix.ext fun i j => rfl) (Matrix.ext fun i j => rfl)
   map_mul' A B := by
-    ext; dsimp [mul_apply]
-    · simp_rw [fst_sum, fst_mul]
+    ext
+    · dsimp [mul_apply]
+      simp_rw [fst_sum, fst_mul]
       rfl
     · simp_rw [snd_sum, snd_mul, smul_eq_mul, op_smul_eq_mul, Finset.sum_add_distrib]
       simp [mul_apply, snd_sum, snd_mul]

eb0cb451

feat: port Data.Matrix.DualNumber (#3239)

Co-authored-by: Moritz Firsching <firsching@google.com> Co-authored-by: Eric Wieser <wieser.eric@gmail.com>

dfd333b5

`data.matrix.dual_number` ⟷ `Mathlib.Data.Matrix.DualNumber`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 8 + 386

data.matrix.dual_number ⟷ Mathlib.Data.Matrix.DualNumber

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 8 + 386

`data.matrix.dual_number` ⟷ `Mathlib.Data.Matrix.DualNumber`