Write a C-program using two dimensional array given two matrix scan and print then show the two matrix sum and multiplication.
Program of Matrix Sum & Multiplication in 'C'
#include<stdio.h>
main(){
int a[20][20], b[20][20], d[20][20], e[20][20], i, j, n, m, k, m1, n1;
printf(" Enter the value of row m and column n = ");
scanf("%d %d", &m, &n);
for(i=0; i<m; i++){
for(j=0; j<n; j++){
printf(" Enter %d %d entris = ", i+1, j+1);
scanf("%d", &a[i][j]);
}
}
printf(" The matrix A = \n");
for(i=0; i<m; i++){
for(j=0; j<n; j++){
printf(" %d ", a[i][j]);
}
printf("\n");
}
printf(" Enter the value of second matrix row m1 and column n1 = ");
scanf("%d %d", &m1, &n1);
for(i=0; i<m1; i++){
for(j=0; j<n1; j++){
printf(" Enter %d %d entris = ", i+1, j+1);
scanf("%d", &b[i][j]);
}
}
printf(" The matrix B = \n");
for(i=0; i<m1; i++){
for(j=0; j<n1; j++){
printf(" %d ", b[i][j]);
}
printf("\n");
}
if(m==m1 && n==n1){
printf(" Sum of two matrix\n");
for(i=0; i<m; i++){
for(j=0; j<n; j++){
e[i][j] = a[i][j] + b[i][j];
printf(" %d ", e[i][j]);
}
printf("\n");
}
}
else
printf(" Matrix addtion not possible\n");
if(n==m1){
printf(" Product of two matrix\n");
for(i=0; i<m; i++){
for(j=0; j<n; j++){
d[i][j]=0;
for(k=0; k<n; k++){
d[i][j] = d[i][j]+ a[i][k] * b[k][j];
}
printf(" %d ", d[i][j]);
}
printf("\n");
}
printf("\n");
}
else
printf(" Matrix multiplaction not possible");
}
