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为什么这个矩阵乘法不能运行?解决方法

发布时间: 2012-01-19 00:22:28 作者: rapoo

为什么这个矩阵乘法不能运行?
源代码如下 :
improt java.io.*;
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 ( " ");
  }
  }
  }


出错信息是Exception in thread "main() " java.lang.NoClassDefFoundEerror:MultiMatrix.java
请教高手帮我解决下,急用?

[解决办法]
Are you trying to execute your program like this?
java MultiMatrix.java

This is wrong. Use the main class name as the argument of java command.
java MultiMatrix

[解决办法]
同 z_lping(Schemer) 能编译,能运行
你用什么环境的?

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http://ma3310.vicp.net
[解决办法]
把类名MultiMatrix改成MultiMatrixy就可以了,试试看

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