From 140fe5fa0fa28287073c90091e3e6b2e35b806fd Mon Sep 17 00:00:00 2001
From: zhujch <eddyzhu123@163.com>
Date: Wed, 8 Nov 2023 14:25:44 -0500
Subject: [PATCH] remove dependency SlicedMap

---
 Project.toml      | 2 --
 src/derivative.jl | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/Project.toml b/Project.toml
index d7a10b9..4204fcb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,7 +8,6 @@ ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 ChainRulesOverloadGeneration = "f51149dc-2911-5acf-81fc-2076a2a81d4f"
 IrrationalConstants = "92d709cd-6900-40b7-9082-c6be49f344b6"
-SliceMap = "82cb661a-3f19-5665-9e27-df437c7e54c8"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
@@ -19,7 +18,6 @@ ChainRules = "1"
 ChainRulesCore = "1"
 ChainRulesOverloadGeneration = "0.1"
 IrrationalConstants = "0.2"
-SliceMap = "0.2"
 SpecialFunctions = "2"
 SymbolicUtils = "1"
 Symbolics = "5"
diff --git a/src/derivative.jl b/src/derivative.jl
index bc11282..62a60c7 100644
--- a/src/derivative.jl
+++ b/src/derivative.jl
@@ -1,5 +1,4 @@
 
-using SliceMap
 export derivative
 
 """
@@ -56,7 +55,8 @@ end
 
 @inline function derivative(f, x::AbstractMatrix{T}, vN::Val{N}) where {T <: TN, N}
     size(x)[1] != 1 && @warn "x is not a row vector."
-    mapcols(u -> derivative(f, u[1], vN), x)
+    t = make_taylor.(x, one(N), vN)
+    return extract_derivative.(f(t), N)
 end
 
 @inline function derivative(f, x::AbstractMatrix{T}, l::AbstractVector{S},