public class MatrixMinus {
	public static double[][] Minus(double[][]A,int line,int list,double[][] B){
		double[][]C=new double[line][list];
		for(int i=0;i<line;i++)
		{
			for(int j=0;j<list;j++)
			{
				C[i][j]=A[i][j]-B[i][j];
			}
		
		}
		return C;	
	}
	public static void main(String[]args)//測試
	{
		double[][] TMatrix1 = {
				   {1, 22, 34}, 
				   {1, 11,5} ,
				   {7,2,13}};	
		double[][] TMatrix2={
				{1,2,3},{2,1,1},{2,2,2}	
		};
		String Strr=new String("");
		for(int i=0;i<3;i++)
		{
			for(int j=0;j<3;j++)
			{
				String str=String.valueOf(Minus(TMatrix1,3,3,TMatrix2)[i][j]);//
				Strr+=str;
				Strr+=" ";
			}
			Strr+="\n";
		}
	   System.out.println(Strr);
		
	}
}
 

執行結果如下：