matrix.java

很多大作业都用到了里面的方法

import java.awt.Graphics;
import java.applet.Applet;
import java.util.*;

class matrix{
    public static void main(String[] args){
    int i,j,mu[]={0,0},mb[]={0,0};
   int mata[][]={{1,1},{0,0}};
   int matb[][]={{0,0},{0,-2}};
      System.out.println("数组a是");
   for(i=0;i<=1;i++)
     {
     	for(j=0;j<=1;j++)
         
   	   {
   	   	System.out.print(mata[i][j]);
   	    System.out.print("	");
       }
        System.out.println();
      }
      System.out.println("数组b是");
     for(i=0;i<=1;i++)
     {
     	for(j=0;j<=1;j++)
         
   	   {
   	   	System.out.print(matb[i][j]);
   	    System.out.print("	");
       }
        System.out.println();
      }
         System.out.println("数组乘积是");
   for(i=0;i<=1;i++)
    {
    	for(j=0;j<=1;j++) 
     {
     	mu[i]=mata[i][j]*matb[j][0]+mu[i];
        mb[i]=mata[i][j]*matb[j][1]+mb[i];
      }
        System.out.print(mu[i]);
        System.out.print("	");
        System.out.print(mb[i]);
        System.out.println();
    }
    
   
  
      
      
                                          }
}