Calculate
the Sum & Difference of the Matrices
#include #include
#include
void readmatA();
void printmatA();
void readmatB();
void printmatB();
void sum();
void diff();
int a[10][10], b[10][10], sumarray[10][10], arraydiff[10][10];
int i, j, row1, column1, row2, column2;
void main()
{
clrscr();
printf("Enter the order of the matrix A \n");
scanf("%d %d", &row1, &column1);
printf("Enter the order of the matrix B \n");
scanf("%d %d", &row2, &column2);
if (row1 != row2 && column1 != column2)
{
printf("Addition and subtraction are possible \n");
exit(1);
}
else
{
printf("Enter the elements of matrix A \n");
readmatA();
printf("matrix a is \n");
printmatA();
printf("Enter the elements of matrix B \n");
readmatB();
printf("matrix b is \n");
printmatB();
sum();
diff();
}
}
void readmatA()
{
for (i = 0; i < row1; i++)
{
for (j = 0; j < column1; j++)
{
scanf("%d", &a[i][j]);
}
}
return;
}
void readmatB()
{
for (i = 0; i < row2; i++)
{
for (j = 0; j < column2; j++)
{
scanf("%d", &b[i][j]);
}
}
}
void printmatA()
{
for (i = 0; i < row1; i++)
{
for (j = 0; j < column1; j++)
{
printf("%3d", a[i][j]);
}
printf("\n");
}
}
void printmatB()
{
for (i = 0; i < row2; i++)
{
for (j = 0; j < column2; j++)
{
printf("%3d", b[i][j]);
}
printf("\n");
}
}
void sum()
{
for (i = 0; i < row1; i++)
{
for (j = 0; j < column2; j++)
{
sumarray[i][j] = a[i][j] + b[i][j];
}
}
printf("Sum matrix is \n");
for (i = 0; i < row1; i++)
{
for (j = 0; j < column2; j++)
{
printf("%3d", sumarray[i][j]) ;
}
printf("\n");
}
return;
}
void diff()
{
for (i = 0; i < row1; i++)
{
for (j = 0; j < column2; j++)
{
arraydiff[i][j] = a[i][j] - b[i][j];
}
}
printf("Difference matrix is \n");
for (i = 0; i < row1; i++)
{
for (j = 0; j < column2; j++)
{
printf("%3d", arraydiff[i][j]);
}
printf("\n");
}
return;
getch();
}
Output
Enter the order of the matrix A
3 3
Enter the order of the matrix B
3 3
Enter the elements of matrix A
1 4 5
6 7 8
4 8 9
matrix a is
1 4 5
6 7 8
4 8 9
Enter the elements of matrix B
3 6 7
8 4 2
1 5 3
matrix b is
3 6 7
8 4 2
1 5 3
Sum matrix is
4 10 12
14 11 10
5 13 12
Difference matrix is
-2 -2 -2
-2 3 6
3 3 6
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