龙盟编程博客 | 无障碍搜索 | 云盘搜索神器
快速搜索
主页 > 软件开发 > JAVA开发 >

用Java的循环实现矩阵乘法代码分享

时间:2009-12-23 15:42来源:未知 作者:admin 点击:
分享到:
public class MultiMatrix { int[][] multiplyMatrix; public static void main(String args[]){ int[][] a={{1,0,3,-1},{2,1,0,2}}; int[][] b={{4,1,0},{-1,1,3},{2,0,1},{1,3,4}}; MultiMatrix mm=new MultiMatrix(); mm.mMatrix(a,b); mm.display(); } pu

  public class MultiMatrix {
  int[][] multiplyMatrix;
  public static void main(String args[]){
  int[][] a={{1,0,3,-1},{2,1,0,2}};
  int[][] b={{4,1,0},{-1,1,3},{2,0,1},{1,3,4}};
  MultiMatrix mm=new MultiMatrix();
  mm.mMatrix(a,b);
  mm.display();
  
  }
  public void mMatrix(int[][] a,int[][] b){
  multiplyMatrix=new int[a.length][b[0].length];
  for (int i = 0; i<a.length; i++) {//rows of a
  for (int j = 0; j<b[0].length; j++) {//columns of b
  for (int k = 0; k<a[0].length; k++) {//columns of a = rows of b
  multiplyMatrix[i][j]=multiplyMatrix[i][j]+a[i][k]*b[k][j];
  }
  }
  }
  }
  public void display(){
  for (int i = 0; i<multiplyMatrix.length; i++) {
  for (int j = 0; j<multiplyMatrix[0].length; j++) {
  System.out.print (multiplyMatrix[i][j]+" ");
  
  }
  System.out.println ("");
  }
  }
  }
  
精彩图集

赞助商链接