C# (MainWindow.xaml.cs)：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | using System;using System.Collections.Generic;using System.Linq;using System.Text;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.Imaging;using System.Windows.Navigation;using System.Windows.Shapes;namespace matrix_multiplied{ /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public int ma = 0; public int na = 0; public int mb = 0; public int nb = 0; public MainWindow() { InitializeComponent(); } public void CreateMatrix() { int m = 0, n = 0; //Clear virtual Matrix this.MatrixGrid.Children.Clear(); for (m = 0; m < ma; m++) for (n = 0; n < na; n++) this.UnregisterName("MA_" + m.ToString() + "_" + n.ToString()); for (m = 0; m < mb; m++) for (n = 0; n < nb; n++) this.UnregisterName("MB_" + m.ToString() + "_" + n.ToString()); //Create Matrix A B Textbox ma = Convert.ToInt32(mA.Text); na = Convert.ToInt32(nA.Text); mb = Convert.ToInt32(mB.Text); nb = Convert.ToInt32(nB.Text); if (na != mb) //Check Matrix { MessageBox.Show("Can't do the Multiplication!!"); } else { //Create Matrix A for (m = 0; m < ma; m++) { for (n = 0; n < na; n++) { TextBox newtbx = new TextBox(); newtbx.Name = "MA_" + m.ToString() + "_" + n.ToString(); newtbx.Text = "1.0"; newtbx.VerticalAlignment = VerticalAlignment.Top; newtbx.HorizontalAlignment = HorizontalAlignment.Left; newtbx.Margin = new Thickness((10 + 40 * n), (10 + 40 * m), 0, 0); newtbx.Width = 30; newtbx.Height = 30; this.MatrixGrid.Children.Add(newtbx); this.RegisterName(newtbx.Name, newtbx); } } //Add multiply symbol TextBlock newtbk = new TextBlock(); newtbk.Name = "Multiply"; newtbk.Text = "×"; newtbk.Margin = new Thickness((15 + 40 * na), (20 * ma), 0, 0); this.MatrixGrid.Children.Add(newtbk); //Create Matrix B for (m = 0; m < mb; m++) { for (n = 0; n < nb; n++) { TextBox newtbx = new TextBox(); newtbx.Name = "MB_" + m.ToString() + "_" + n.ToString(); newtbx.Text = "1.0"; newtbx.VerticalAlignment = VerticalAlignment.Top; newtbx.HorizontalAlignment = HorizontalAlignment.Left; newtbx.Margin = new Thickness((40 + 40 * (n + na)), (10 + 40 * m), 0, 0); newtbx.Width = 30; newtbx.Height = 30; this.MatrixGrid.Children.Add(newtbx); this.RegisterName(newtbx.Name, newtbx); } } } } public void DetermineMatrix() { int m = 0, n = 0, i=0; Double sum = 0; Double[,] MaArray = new Double[ma, na]; Double[,] MbArray = new Double[mb, nb]; Double[,] McArray = new Double[ma, nb]; //Get Number for (m = 0; m < ma; m++) { for (n = 0; n < na; n++) { TextBox MA = (TextBox)MatrixGrid.FindName("MA_" + m.ToString() + "_" + n.ToString()); MaArray[m, n] = (Double)Convert.ToDouble(MA.Text); } } for (m = 0; m < mb; m++) { for (n = 0; n < nb; n++) { TextBox MB = (TextBox)MatrixGrid.FindName("MB_" + m.ToString() + "_" + n.ToString()); MbArray[m, n] = (Double)Convert.ToDouble(MB.Text); } } //Determine Matrix for (m = 0; m < ma; m++) { for (n = 0; n < nb; n++) { sum = 0.0; for (i = 0; i < mb; i++) { sum += MaArray[m,i] * MbArray[i,n]; } McArray[m,n] = sum; } } //Add equal symbol TextBlock newtbk = new TextBlock(); newtbk.Name = "Anser"; newtbk.Text = "="; newtbk.Margin = new Thickness((50 + 40 * (na + nb)), (20 * ma), 0, 0); this.MatrixGrid.Children.Add(newtbk); //Create Matrix C for (m = 0; m < ma; m++) { for (n = 0; n < nb; n++) { sum = 0.0; for (i = 0; i < mb; i++) { TextBox newtbx = new TextBox(); newtbx.Name = "MC" + m.ToString() + "_" + n.ToString(); newtbx.Text = Convert.ToString(McArray[m,n]); newtbx.VerticalAlignment = VerticalAlignment.Top; newtbx.HorizontalAlignment = HorizontalAlignment.Left; newtbx.Margin = new Thickness((70 + 40 * (n + na + nb)), (10 + 40 * m), 0, 0); newtbx.Width = 30; newtbx.Height = 30; this.MatrixGrid.Children.Add(newtbx); } } } } private void CreateMatrix_Click(object sender, RoutedEventArgs e) { CreateMatrix(); } private void DetermineMatrix_Click(object sender, RoutedEventArgs e) { DetermineMatrix(); } }} |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | <Window x:Class="matrix_multiplied.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="600" Width="600"> <Grid> <TextBlock Height="30" HorizontalAlignment="Left" Margin="20,20,0,0" Name="MatrixATitle" Text="Matrix A" VerticalAlignment="Top" Width="122" TextAlignment="Left" /> <TextBlock Height="30" HorizontalAlignment="Left" Margin="20,50,0,0" Name="textBlock1" Text="m:" VerticalAlignment="Top" Width="20" DataContext="{Binding}" TextAlignment="Left" /> <TextBlock Height="30" HorizontalAlignment="Left" Margin="90,50,0,0" Name="textBlock2" Text="n:" VerticalAlignment="Top" Width="20" DataContext="{Binding}" TextAlignment="Left" /> <TextBox Height="30" Margin="40,50,0,0" Name="mA" VerticalAlignment="Top" Text="4" HorizontalAlignment="Left" Width="30" /> <TextBox Height="30" Margin="110,50,0,0" Name="nA" VerticalAlignment="Top" Text="4" HorizontalAlignment="Left" Width="30" /> <TextBlock Height="30" HorizontalAlignment="Left" Margin="180,20,0,0" Name="MatrixBTitle" Text="Matrix B" VerticalAlignment="Top" Width="122" TextAlignment="Left" /> <TextBlock Height="30" HorizontalAlignment="Left" Margin="180,50,0,0" Name="textBlock3" Text="m:" VerticalAlignment="Top" Width="20" DataContext="{Binding}" TextAlignment="Left" /> <TextBlock Height="30" HorizontalAlignment="Left" Margin="250,50,0,0" Name="textBlock4" Text="n:" VerticalAlignment="Top" Width="20" DataContext="{Binding}" TextAlignment="Left" /> <TextBox Height="30" Margin="200,50,0,0" Name="mB" VerticalAlignment="Top" Text="4" HorizontalAlignment="Left" Width="30" /> <TextBox Height="30" Margin="270,50,0,0" Name="nB" VerticalAlignment="Top" Text="1" HorizontalAlignment="Left" Width="30" /> <Button Content="Create Matrix" Height="30" Margin="340,50,0,0" Name="CreateMatrixBtn" VerticalAlignment="Top" HorizontalAlignment="Left" Width="100" Click="CreateMatrix_Click" /> <Button Content="Determine" Height="30" Margin="460,50,0,0" Name="DetermineMatrixBtn" VerticalAlignment="Top" HorizontalAlignment="Left" Width="100" Click="DetermineMatrix_Click" /> <Grid Margin="10,100,10,10" Name="MatrixGrid" HorizontalAlignment="Stretch"> </Grid> </Grid></Window> |
結果：
說明：
使用WPF撰寫計算n階矩陣相乘印出結果。
首先按下Create Matrix按鈕虛擬建立需要的TextBox陣列數量，
再按下Determine去擷取經過RegisterName後的虛擬TextBox中的值，
並計算出矩陣相乘的結果後虛擬印出。
