8.5 -- 2 X 2 matrix addition
- import java.util.Scanner;
- public class addMatrix {
- public static void main(String[] args) {
- int i,j;
- double[][]matrix1 = new double[2][2];
- double[][]matrix2 = new double [2][2];
- Scanner input = new Scanner(System.in);
- for ( i=0 ; i<2 ; i++ )
- {
- for ( j=0 ; j<2 ; j++ )
- {
- matrix1[i][j] = input.nextDouble();
- System.out.print(matrix1[i][j] + " ");
- }
- System.out.println();
- }
- System.out.println("+");
- for ( i=0 ; i<2 ; i++ )
- {
- for ( j=0 ; j<2 ; j++ )
- {
- matrix2[i][j] = input.nextDouble();
- System.out.print(matrix2[i][j] + " ");
- }
- System.out.println();
- }
- System.out.println("=");
- for ( i=0 ; i<2 ; i++ )
- {
- for ( j=0 ; j<2 ; j++ )
- {
- matrix1[i][j] = matrix1[i][j] + matrix2[i][j];
- System.out.print(matrix1[i][j] + " ");
- }
- System.out.println();
- }
- }
- }
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