Matrix is the perfect example of two dimensional array. It has row and column. Row represents one dimension and column represents second dimension. For example matrix[4][5], it has 4 rows, each row consisting 5 elements i.e matrix[0] has 5 elements, matrix[1] has 5 element and so on. In this example two matrices are added and result is displayed. Addition is done with corresponding elements of individual matrix i.e. matrix1[0][0] is added with matrix2[0][0]. The complete source code and output is given here….

**Source Code**

//Sum of two matrices using two dimensional array#include<stdio.h>#include<stdlib.h>int main(){int matrix1[10][10], matrix2[10][10], sum[10][10], i, j, m,n,p,q;printf("Enter the order of first matrix: ");scanf("%d%d",&m,&n);printf("Enter the order of second matrix: ");scanf("%d%d",&p,&q);if(m!=p && n!=q){printf("Order of matrix did not matched!!");exit(0);}printf("Enter first matrix: \n");for(i = 0 ; i < m; i++){for(j = 0; j < n; j++)scanf("%d", &matrix1[i][j]);}printf("Enter second matrix: \n");for(i = 0 ; i < p; i++){for(j = 0; j < q; j++)scanf("%d", &matrix2[i][j]);}for(i = 0 ; i < m; i++){for(j = 0; j < n; j++)sum[i][j] = matrix1[i][j] + matrix2[i][j];}printf("The sum of the matrix is :\n");for(i = 0 ; i < m; i++){for(j = 0; j < n; j++){printf("%d", sum[i][j]);printf("\t");}printf("\n");}return 0;}

**Output**

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