计算两个矩形矩阵的乘积

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace CalcRMatrix{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { //定义3个float类型的二维数组，作为矩阵 float[,] MatrixEin = new float[3, 3]; float[,] MatrixZwei = new float[3, 3]; float[,] MatrixResult = new float[3, 3]; //为第一个矩阵中的各个项赋值 MatrixEin[0, 0] = 2; MatrixEin[0, 1] = 2; MatrixEin[0, 2] = 1; MatrixEin[1, 0] = 1; MatrixEin[1, 1] = 1; MatrixEin[1, 2] = 1; MatrixEin[2, 0] = 1; MatrixEin[2, 1] = 0; MatrixEin[2, 2] = 1; //为第二个矩阵中的各个项赋值 MatrixZwei[0, 0] = 0; MatrixZwei[0, 1] = 1; MatrixZwei[0, 2] = 2; MatrixZwei[1, 0] = 0; MatrixZwei[1, 1] = 1; MatrixZwei[1, 2] = 1; MatrixZwei[2, 0] = 0; MatrixZwei[2, 1] = 1; MatrixZwei[2, 2] = 2; lab_First.Text = "第一个矩阵：\n"; //循环遍历第一个矩阵并输出 for (int i = 0; i < 3; i ) { lab_First.Text = "| "; for (int j = 0; j < 3; j ) { lab_First.Text = MatrixEin[i, j] " "; } lab_First.Text = " |\r\n"; } lab_Second.Text = "第二个矩阵：\n"; //循环遍历第二个矩阵并输出 for (int i = 0; i < 3; i ) { lab_Second.Text = "| "; for (int j = 0; j < 3; j ) { lab_Second.Text = MatrixZwei[i, j] " "; } lab_Second.Text = " |\r\n"; } MultiplyMatrix(MatrixEin, MatrixZwei, MatrixResult);//调用自定义方法计算两个矩阵的乘积 lab_Result.Text = "两个矩阵的乘积：\n"; //循环遍历新得到的矩阵并输出 for (int i = 0; i < 3; i ) { lab_Result.Text = "| "; for (int j = 0; j < 3; j ) { lab_Result.Text = MatrixResult[i, j] " "; } lab_Result.Text = " |\r\n"; } } #region 矩阵乘法 public void MultiplyMatrix(float[,] MatrixEin, float[,] MatrixZwei, float[,] MatrixResult) { for (int i = 0; i < 3; i ) { for (int j = 0; j < 3; j ) { for (int k = 0; k < 3; k ) { MatrixResult[i, j] = MatrixEin[i, k] * MatrixZwei[k, j];//计算矩阵的乘积 } } } } #endregion }}