Add two Matrix together - Java Data Structure

Java examples for Data Structure:Matrix

  1. HOME
  2. Java
  3. Data Structure
  4. Matrix

Description

Add two Matrix together

Demo Code

import java.util.Scanner;

public class Main {

  public static int[][] mMatrixSum(int mArrayA[][], int mArrayB[][]) {
    int i, j;/*from   w ww.j av a  2  s. c  o  m*/

    int mRows = mArrayA.length;
    int mColumn = mArrayA[0].length;
    int[][] mSumArray = new int[mRows][mColumn];
    for (i = 0; i < mRows; i++) {
      for (j = 0; j < mColumn; j++) {
        mSumArray[i][j] = mArrayA[i][j] + mArrayB[i][j];
      }
    }
    return mSumArray;
  }

  public static void main(String args[]) throws Exception {
    int r, c;
    int i, j;

    int mRow = 4;
    int mColumn = 3;
    int[][] mArrayA = new int[mRow][mColumn];
    for (r = 0; r < mArrayA.length; r++) {
      for (c = 0; c < mArrayA[r].length; c++) {
        mArrayA[r][c] = c + r;
        System.out.print(mArrayA[r][c] + " ");

      }
      System.out.println(" ");
    }
    int mRowTwo = 4;
    int mColumnTwo = 3;
    int[][] mArrayB = new int[mRowTwo][mColumnTwo];
    for (r = 0; r < mArrayB.length; r++) {
      for (c = 0; c < mArrayB[r].length; c++) {
        mArrayB[r][c] = r*c;
        System.out.print(mArrayB[r][c] + " ");
      }
      System.out.println(" ");
    }

    int sum[][] = mMatrixSum(mArrayA, mArrayB);
    System.out.println("Sum Of Matirx");

    for (i = 0; i < sum.length; i++) {
      for (j = 0; j < sum[i].length; j++) {
        System.out.print(" " + sum[i][j]);
      }
      System.out.println();
    }

  }
}

Related Tutorials