From 2f3916c8d7c5e4d18ef89e3c8f490c4197859ccb Mon Sep 17 00:00:00 2001
From: Adarsh Santoria <108261986+AdarshSantoria@users.noreply.github.com>
Date: Mon, 6 Feb 2023 16:11:37 +0530
Subject: [PATCH 1/4] fixing codes in approx_kfn doc

---
 doc/tutorials/approx_kfn.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/tutorials/approx_kfn.md b/doc/tutorials/approx_kfn.md
index 33a4237d98..ce422f7cbd 100644
--- a/doc/tutorials/approx_kfn.md
+++ b/doc/tutorials/approx_kfn.md
@@ -812,7 +812,7 @@ extern arma::mat dataset;
 QDAFN<> qdafn(dataset, 10, 5);
 
 // Print the fifth point of the candidate set.
-std::cout << ds.CandidateSet(2).col(4).t();
+std::cout << qdafn.CandidateSet(2).col(4).t();
 ```
 
 ### Retraining on a new reference set
@@ -896,7 +896,7 @@ extern arma::mat querySet;
 
 // Construct the object, performing the default dual-tree search with
 // approximation level epsilon = 0.05.
-KFN kfn(dataset, KFN::DUAL_TREE_MODE, 0.05);
+KFN kfn(dataset, DUAL_TREE_MODE, 0.05);
 
 // Search for approximate furthest neighbors.
 arma::Mat<size_t> neighbors;

From f1ed74ee94445b445814b6b62db1f37cfc1ffd12 Mon Sep 17 00:00:00 2001
From: Adarsh Santoria <108261986+AdarshSantoria@users.noreply.github.com>
Date: Mon, 6 Feb 2023 21:15:31 +0530
Subject: [PATCH 2/4] improve doc

---
 doc/tutorials/fastmks.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/tutorials/fastmks.md b/doc/tutorials/fastmks.md
index e25fe766fd..21a0d4afb8 100644
--- a/doc/tutorials/fastmks.md
+++ b/doc/tutorials/fastmks.md
@@ -257,6 +257,9 @@ manually specified.  Choices that mlpack provides include:
  - `HyperbolicTangentKernel`
  - `LaplacianKernel`
  - `PSpectrumStringKernel`
+ - `CauchyKernal`
+ - `ExampleKernal`
+ - `SphericalKernal`
 
 The following examples use kernels from that list.  Writing your own kernel is
 detailed in the next section.  Remember that when you are using the C++
@@ -293,7 +296,7 @@ f.Search(5, indices, products);
 In this setting we have both a query and reference dataset.  We search for 10
 maximum kernels.
 
-```
+```c++
 #include <mlpack.hpp>
 
 using namespace mlpack::fastmks;

From 18fb167df6e18ec98ea96305ae8e1a7eb13ce50d Mon Sep 17 00:00:00 2001
From: Adarsh Santoria <108261986+AdarshSantoria@users.noreply.github.com>
Date: Sat, 11 Feb 2023 22:57:27 +0530
Subject: [PATCH 3/4] Update HISTORY.md

---
 HISTORY.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/HISTORY.md b/HISTORY.md
index 5abe54ee22..83fcf18805 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,8 @@
 ### mlpack ?.?.?
 ###### ????-??-??
+
+  * Fix code in tutorials (#3401).
+
   * Bugfix for non-square convolution kernels (#3376).
 
   * Fix a few missing includes in `<mlpack.hpp>` (#3374).

From 24c04612086f08c691b541cd9cda2186b1beba33 Mon Sep 17 00:00:00 2001
From: Adarsh Santoria <108261986+AdarshSantoria@users.noreply.github.com>
Date: Sun, 12 Feb 2023 13:35:07 +0530
Subject: [PATCH 4/4] Revert Changes

---
 HISTORY.md | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 83fcf18805..5abe54ee22 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,8 +1,5 @@
 ### mlpack ?.?.?
 ###### ????-??-??
-
-  * Fix code in tutorials (#3401).
-
   * Bugfix for non-square convolution kernels (#3376).
 
   * Fix a few missing includes in `<mlpack.hpp>` (#3374).