7. Program to perform addition and subtraction of Matrices.

#include<stdio.h>

void main()

{

int m, n, i, j, first[10][10], second[10][10], sum[10][10];

printf("Enter the number of rows and columns of matrix\n");

scanf("%d%d", &m, &n);

printf("Enter the elements of first matrix\n");

for (i = 0; i < m; i++)

for (j = 0; j < n; j++)

scanf("%d", &first[i][j]);

printf("Enter the elements of second matrix\n");

for (i = 0; i < m; i++)

for (j = 0 ; j < n; j++)

scanf("%d", &second[i][j]);

printf("Addition of entered matrices:-\n");

for (i = 0; i < m; i++)

{

for (j = 0 ; j < n; j++)

{

C PROGRAMMING LAB

PTES BCA, BELGAUM Page 39

sum[i][j] = first[i][j] + second[i][j];

printf("%d\t", sum[i][j]);

}

printf("\n");

}

printf("Subtraction of entered matrices:-\n");

for (i = 0; i < m; i++)

{

for (j = 0 ; j < n; j++)

{

sum[i][j] = first[i][j] - second[i][j];

printf("%d\t", sum[i][j]);

}

printf("\n");

}

}