Initial commit

2026-08-22 17:55:19 +03:00
commit accadb4462
8 changed files with 736 additions and 0 deletions
@@ -0,0 +1,352 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+.vscode/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk 
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output 
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder 
+.mfractor/
+/.dotnet
+/.packages
+/.tools/vswhere/2.5.2
+/.tools/vswhere/3.1.7
+/.tools/native/iltools
+
+### OSX ###
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Exceptions to the exclusions
+!src/Microsoft.DotNet.Wpf/src/WpfGfx/codegen/mcg/main/*.rsp
+!src/Microsoft.DotNet.Wpf/src/WpfGfx/tools/csp/**/*.rsp
@@ -0,0 +1,9 @@
+<Application x:Class="DSPS_Lab1.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:DSPS_Lab1"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace DSPS_Lab1;
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
+
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net10.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="DSPS_Lab1.csproj" />
+</Solution>
@@ -0,0 +1,99 @@
+<Window x:Class="DSPS_Lab1.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DSPS_Lab1"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="549" Width="1072">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="100"/>
+        </Grid.RowDefinitions>
+        <TabControl Grid.RowSpan="1">
+            <TabItem Header="Задание 1">
+                <Grid Background="#FFF">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="*"/>
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="360"/>
+                        <ColumnDefinition Width="*"/>
+                    </Grid.ColumnDefinitions>
+                    <DataGrid Grid.ColumnSpan="2" SelectionUnit="Cell" x:Name="DataGridTask1" IsReadOnly="True" FontSize="10" SelectedCellsChanged="DataGridTask1_SelectedCellsChanged"/>
+                    <Label Grid.Row="1" Content="Макс. кол-во энтропии: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="1" x:Name="Task1Helper" Content="" FontSize="18"/>
+                    <Label Grid.Row="1" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="MaxEntropyAmountLabel"/>
+                    <Label Grid.Row="2" Content="Кол-во энтропии: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="2" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="Entropy1AmountLabel"/>
+                    <Label Grid.Row="3" Content="Коэффициент избыт.: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="3" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="Coefficient1"/>
+                </Grid>
+            </TabItem>
+            <TabItem Header="Задание 2">
+                <Grid Background="#FFF">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="50"/>
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="360"/>
+                        <ColumnDefinition Width="*"/>
+                    </Grid.ColumnDefinitions>
+                    <DataGrid Grid.ColumnSpan="2" EnableRowVirtualization="True" EnableColumnVirtualization="True" SelectionUnit="Cell" x:Name="DataGridTask2" FontSize="10" IsReadOnly="True" FrozenColumnCount="1" SelectedCellsChanged="DataGridTask2_SelectedCellsChanged" />
+                    <Label Grid.Row="1" x:Name="Task2Helper" Content="" FontSize="18"/>
+                    <Label Grid.Row="1" Content="Совместная энтропия:" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="1" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="CombinedEntropyLabel"/>
+                    <Label Grid.Row="2" Content="Макс. кол-во энтропии: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="2" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="MaxEntropy2AmountLabel"/>
+                    <Label Grid.Row="3" Content="Коэффициент избыт.: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="3" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="Coefficient2"/>
+                </Grid>
+            </TabItem>
+            <TabItem Header="Задание 3">
+                <Grid Background="#FFF">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="50"/>
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="360"/>
+                        <ColumnDefinition Width="*"/>
+                    </Grid.ColumnDefinitions>
+                    <DataGrid Grid.ColumnSpan="2" EnableRowVirtualization="True" EnableColumnVirtualization="True" SelectionUnit="Cell" x:Name="DataGridTask3" FontSize="10" IsReadOnly="True" FrozenColumnCount="1" SelectedCellsChanged="DataGridTask3_SelectedCellsChanged" />
+                    <Label Grid.Row="1" x:Name="Task3Helper" Content="" FontSize="18"/>
+                    <Label Grid.Row="1" Content="Условная энтропия:" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="1" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="ConditionalEntropyLabel"/>
+                    <Label Grid.Row="2" Content="Макс. кол-во энтропии: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="2" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="MaxEntropy3AmountLabel"/>
+                    <Label Grid.Row="3" Content="Коэффициент избыт.: " VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+                    <Label Grid.Row="3" Grid.Column="1" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32" x:Name="Coefficient3"/>
+                </Grid>
+            </TabItem>
+            <TabItem Header="Исходный файл">
+                <ScrollViewer>
+                    <TextBlock x:Name="SourceTextBox"/>
+                </ScrollViewer>
+            </TabItem>
+        </TabControl>
+        <Grid Grid.Row="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="250"/>
+                <ColumnDefinition Width="*"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+            <Label Content="Открыт файл:" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="32"/>
+            <Label Grid.Column="1" Content="никакой(" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" FontSize="24" x:Name="FileName"/>
+            <Button Grid.Column="2" Content="Открыть файл" Click="OpenFile" FontSize="32"/>
+        </Grid>
+
+    </Grid>
+</Window>
@@ -0,0 +1,240 @@
+using System.Data;
+using System.Drawing.Drawing2D;
+using System.IO;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using Microsoft.Win32;
+
+namespace DSPS_Lab1;
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    private char[] File;
+    private int Total;
+    private int[] Count;
+    private int[,] CountPair; // first index - current char, second index - next char
+    private float[] Probability;
+    private float[,] CombinedProbability;
+    private float[,] ConditionalProbability;
+
+    public MainWindow()
+    {
+        InitializeComponent();
+        Count = new int[256];
+        CountPair = new int[256, 256];
+        Probability = new float[256];
+        CombinedProbability = new float[256, 256];
+        ConditionalProbability = new float[256, 256];
+    }
+
+    private async void OpenFile(object sender, RoutedEventArgs e)
+    {
+        var dlg = new OpenFileDialog
+        {
+            Title = "Open file",
+            Filter = "All files|*.*"
+        };
+
+        bool? result = dlg.ShowDialog();
+        if (result == true && !string.IsNullOrEmpty(dlg.FileName))
+        {
+            try
+            {
+                string content = await System.IO.File.ReadAllTextAsync(dlg.FileName, Encoding.UTF8);
+                this.FileName.Content = System.IO.Path.GetFileName(dlg.FileName);
+                SourceTextBox.Text = content;
+                this.File = content.ToCharArray();
+            }
+            catch (IOException ex)
+            {
+                MessageBox.Show(this, $"Failed to read file: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+
+            await CalculateTask1();
+            await CalculateTask2();
+            await CalculateTask3();
+        }
+    }
+
+    private async Task CalculateTask1()
+    {
+        var result = await Task.Run(() =>
+        {
+            float H = 0;
+            float check = 0;
+            DataTable dt = new DataTable();
+            foreach (char c in File)
+            {
+                if (c > 255) continue;
+                Count[c]++;
+                Total++;
+            }
+            DataRow row = dt.NewRow();
+            for (int i = 0; i < Count.Length; i++)
+            {
+                dt.Columns.Add(i.ToString(), typeof(float));
+                float p = (float)Count[i] / Total;
+                Probability[i] = p;
+                check += p;
+                row[i] = Math.Round(p * 100) / 100;
+                if (Count[i] == 0) continue;
+                H += p * (float)Math.Log2(p);
+            }
+            dt.Rows.Add(row);
+            return (dt, H);
+        });
+
+        DataGridTask1.ItemsSource = result.dt.DefaultView;
+        Entropy1AmountLabel.Content = (-result.H).ToString();
+        double max = (1 / 256.0) * Math.Log2(1 / 256.0) * -256;
+        MaxEntropyAmountLabel.Content = max.ToString();
+        Coefficient1.Content = ((max + result.H)/max).ToString();
+    }
+
+    private async Task CalculateTask2()
+    {
+        var result = await Task.Run(() =>
+        {
+            Total = 0;
+            float H = 0;
+            float check = 0;
+            DataTable dt = new DataTable();
+            for (int i = 0; i < File.Length - 1; i++)
+            {
+                if (File[i + 1] > 255 || File[i] > 255) continue;
+                CountPair[File[i], File[i + 1]]++;
+                Total++;
+            }
+            dt.Columns.Add("Char", typeof(string));
+            for (int i = 0; i < CountPair.GetLength(0); i++)
+                dt.Columns.Add(i.ToString(), typeof(float));
+            for (int i = 0; i < CountPair.GetLength(0); i++)
+            {
+                DataRow row = dt.NewRow();
+                row[0] = i.ToString();
+                for (int j = 0; j < CountPair.GetLength(1); j++)
+                {
+                    float p = (float)CountPair[i, j] / Total;
+                    CombinedProbability[i, j] = p;
+                    check += p;
+                    row[j+1] = Math.Round(p * 1000) / 1000;
+                    if (CountPair[i, j] == 0) continue;
+                    H += p * (float)Math.Log2(p);
+                }
+                dt.Rows.Add(row);
+            }
+            return (dt, H);
+        });
+
+        DataGridTask2.ItemsSource = result.dt.DefaultView;
+        CombinedEntropyLabel.Content = (-result.H).ToString();
+        double max = (1 / 256.0) * Math.Log2(1 / 256.0) * -256;
+        MaxEntropy2AmountLabel.Content = max.ToString();
+        Coefficient2.Content = ((max + result.H) / max).ToString();
+    }
+
+    private async Task CalculateTask3()
+    {
+        var result = await Task.Run(() =>
+        {
+            Total = 0;
+            float[] Hm = new float[256];
+            float H = 0;
+            float[] check = new float[255];
+            DataTable dt = new DataTable();
+            for (int i = 0; i < File.Length - 1; i++)
+            {
+                if (File[i + 1] > 255 || File[i] > 255) continue;
+                CountPair[File[i], File[i + 1]]++;
+                Total++;
+            }
+            dt.Columns.Add("Char", typeof(string));
+            for (int i = 0; i < CountPair.GetLength(0); i++)
+                dt.Columns.Add(i.ToString(), typeof(float));
+            for (int i = 0; i < CountPair.GetLength(0); i++)
+            {
+                Total = Enumerable.Range(0, CountPair.GetLength(1)).Select(col => CountPair[i, col]).Sum();
+                if (Total == 0) continue;
+                DataRow row = dt.NewRow();
+                row[0] = i.ToString();
+                for (int j = 0; j < CountPair.GetLength(1); j++)
+                {
+                    float p = (float)CountPair[i, j] / Total;
+                    ConditionalProbability[i, j] = p;
+                    check[i] += p;
+                    row[j + 1] = Math.Round(p * 1000) / 1000;
+                    if (CountPair[i, j] == 0) continue;
+                    Hm[i] += p * (float)Math.Log2(p);
+                }
+                dt.Rows.Add(row);
+                H += Hm[i] * Probability[i];
+            }
+            return (dt, H);
+        });
+
+        DataGridTask3.ItemsSource = result.dt.DefaultView;
+        ConditionalEntropyLabel.Content = (-result.H).ToString();
+        double max = (1 / 256.0) * Math.Log2(1 / 256.0) * -256;
+        MaxEntropy3AmountLabel.Content = max.ToString();
+        Coefficient3.Content = ((max + result.H) / max).ToString();
+    }
+
+    private void DataGridTask1_SelectedCellsChanged(object sender, SelectedCellsChangedEventArgs e)
+    {
+        if (e.AddedCells.Count > 0)
+        {
+            var cellInfo = e.AddedCells[0];
+
+            if (cellInfo.Item is System.Data.DataRowView rowView)
+            {
+                int colIndex = cellInfo.Column.DisplayIndex - 1;
+
+                Task1Helper.Content = ((Char)colIndex).ToString() + " " + Probability[colIndex + 1].ToString();
+            }
+        }
+    }
+
+    private void DataGridTask2_SelectedCellsChanged(object sender, SelectedCellsChangedEventArgs e)
+    {
+        if (e.AddedCells.Count > 0)
+        {
+            var cellInfo = e.AddedCells[0];
+
+            if (cellInfo.Item is System.Data.DataRowView rowView)
+            {
+                int rowIndex = rowView.DataView.Table.Rows.IndexOf(rowView.Row);
+                int colIndex = cellInfo.Column.DisplayIndex - 1;
+
+                Task2Helper.Content = ((Char)rowIndex).ToString() + ((Char)colIndex).ToString() + " " + CombinedProbability[rowIndex, colIndex].ToString();
+            }
+        }
+    }
+        
+    private void DataGridTask3_SelectedCellsChanged(object sender, SelectedCellsChangedEventArgs e)
+    {
+        if (e.AddedCells.Count > 0)
+        {
+            var cellInfo = e.AddedCells[0];
+
+            if (cellInfo.Item is System.Data.DataRowView rowView)
+            {
+                int rowIndex = rowView.DataView.Table.Rows.IndexOf(rowView.Row);
+                int colIndex = cellInfo.Column.DisplayIndex - 1;
+
+                Task3Helper.Content = ((Char)rowIndex).ToString() + ((Char)colIndex).ToString() + " " + ConditionalProbability[rowIndex, colIndex].ToString();
+            }
+        }
+    }
+}