java矩阵相加nn_Java 将两个矩阵相加

import java.util.Scanner;

public class Main {

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public static int[][] mMatrixSum(int mArrayA[][], int mArrayB[][]) {

int i, j;

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;

}

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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);

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