diff --git a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/.gitignore b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/.gitignore
index 104b544..41fb5f9 100644
--- a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/.gitignore
+++ b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/.gitignore
@@ -30,8 +30,9 @@ x86/
 [Aa][Rr][Mm]/
 [Aa][Rr][Mm]64/
 bld/
-[Bb]in/
-[Oo]bj/
+lab_5_matrix/lab_5_matrix/bin/
+lab_5_matrix/lab_5_matrix/obj/
+lab_5_matrix/.vs/
 [Ll]og/
 [Ll]ogs/
 
diff --git a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.dgspec.json b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.dgspec.json
new file mode 100644
index 0000000..d099fac
--- /dev/null
+++ b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.dgspec.json
@@ -0,0 +1,67 @@
+{
+  "format": 1,
+  "restore": {
+    "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj": {}
+  },
+  "projects": {
+    "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj",
+        "projectName": "lab_5_matrix",
+        "projectPath": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj",
+        "packagesPath": "C:\\Users\\oostr\\.nuget\\packages\\",
+        "outputPath": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\obj\\",
+        "projectStyle": "PackageReference",
+        "fallbackFolders": [
+          "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\NuGetPackages"
+        ],
+        "configFilePaths": [
+          "C:\\Users\\oostr\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.FallbackLocation.config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
+          "net8.0"
+        ],
+        "sources": {
+          "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {},
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "net8.0": {
+            "targetAlias": "net8.0",
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        }
+      },
+      "frameworks": {
+        "net8.0": {
+          "targetAlias": "net8.0",
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48",
+            "net481"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\8.0.100/PortableRuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.props b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.props
new file mode 100644
index 0000000..66e2a09
--- /dev/null
+++ b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.props
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\oostr\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.8.0</NuGetToolVersion>
+  </PropertyGroup>
+  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <SourceRoot Include="C:\Users\oostr\.nuget\packages\" />
+    <SourceRoot Include="C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages\" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.targets b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.targets
new file mode 100644
index 0000000..3dc06ef
--- /dev/null
+++ b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/lab_5_matrix.csproj.nuget.g.targets
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" />
\ No newline at end of file
diff --git a/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/project.assets.json b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/project.assets.json
new file mode 100644
index 0000000..86f388c
--- /dev/null
+++ b/tasks/ostrovskaya-sf/lab_5/lab_5_matrix/lab_5_matrix/obj/project.assets.json
@@ -0,0 +1,73 @@
+{
+  "version": 3,
+  "targets": {
+    "net8.0": {}
+  },
+  "libraries": {},
+  "projectFileDependencyGroups": {
+    "net8.0": []
+  },
+  "packageFolders": {
+    "C:\\Users\\oostr\\.nuget\\packages\\": {},
+    "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\NuGetPackages": {}
+  },
+  "project": {
+    "version": "1.0.0",
+    "restore": {
+      "projectUniqueName": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj",
+      "projectName": "lab_5_matrix",
+      "projectPath": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\lab_5_matrix.csproj",
+      "packagesPath": "C:\\Users\\oostr\\.nuget\\packages\\",
+      "outputPath": "C:\\Users\\oostr\\source\\repos\\lab_5_matrix\\lab_5_matrix\\obj\\",
+      "projectStyle": "PackageReference",
+      "fallbackFolders": [
+        "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\NuGetPackages"
+      ],
+      "configFilePaths": [
+        "C:\\Users\\oostr\\AppData\\Roaming\\NuGet\\NuGet.Config",
+        "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.FallbackLocation.config",
+        "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+      ],
+      "originalTargetFrameworks": [
+        "net8.0"
+      ],
+      "sources": {
+        "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {},
+        "https://api.nuget.org/v3/index.json": {}
+      },
+      "frameworks": {
+        "net8.0": {
+          "targetAlias": "net8.0",
+          "projectReferences": {}
+        }
+      },
+      "warningProperties": {
+        "warnAsError": [
+          "NU1605"
+        ]
+      }
+    },
+    "frameworks": {
+      "net8.0": {
+        "targetAlias": "net8.0",
+        "imports": [
+          "net461",
+          "net462",
+          "net47",
+          "net471",
+          "net472",
+          "net48",
+          "net481"
+        ],
+        "assetTargetFallback": true,
+        "warn": true,
+        "frameworkReferences": {
+          "Microsoft.NETCore.App": {
+            "privateAssets": "all"
+          }
+        },
+        "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\8.0.100/PortableRuntimeIdentifierGraph.json"
+      }
+    }
+  }
+}
\ No newline at end of file