矩阵乘法(java)_i++

//MultiplyMatrix by seabridge 2004-9-1

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 ("");

}

}

}