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Statement of C Program: This Program accepts two Matrices of different or same order and Find the product of these Matrices and prints the Product Matrix:
Condition: The Column of First Matrix must be Equal to the Row of the Second Matrix.
#include<stdio.h>
#include<conio.h>
void main()
{
int Matrix A[9][9] , MatrixB[9][9] , Matrixsproduct [9][9] ;
int n , i , j , k; /* 'i' used for rows and 'j' used for columns */
int Row1 , Row2 , Column1 , Column2;
clrscr();
printf(" Enter the order of Matrix A\n");
scanf("%d * %d " , &Row1 , &Column1);
printf(" Enter the order of Matrix B\n");
scanf("%d * %d " , &Row2 , &Column2);
if(Column1 == Row2)
{
printf(" Enter the elements of Matrix A\n");
for(i=0 ; i<Row1 ; i++)
{
for(j=0 ; j<Column1 ; j++)
{
scanf("%d" , &Matrix A[i][j] );
}
}
printf(" Enter the elements of Matrix B\n");
for(i=0 ; i<Row2 ; i++)
{
for(j=0 ; j<Column2 ; j++)
{
scanf("%d" , &Matrix B[i][j] );
}
}
/* Product of two Matrices */
for(i=0 ; i<Row1 ; i++)
{
for(j=0 ; j<Column2 ; j++)
{
Matrixproduct[i][j] = 0 ;
for(k=0 ; k<Row2 ; k++)
{
Matrixproduct[i][j] = Matrixproduct[i][j] + ( Matrix A[i][k] * Matrix B[k][j] );
}
}
}
printf(" Product Matrix\n");
for(i=0 ; i< Row1 ; i++)
{
for(j=0 ;j< Column2;j++)
{
printf("%d" , Matrixproduct[i][j] );
}
printf("\n");
}
} /* End of if */
else
{
printf(" Invalid order so Multiplication not possible\n");
} /* End of main() */
Output:
Enter the order of Matrix A
2 * 2
Enter the order of MatrixB
2 * 2
Enter the elements of Matrix A
1
2
3
4
Enter the elements of Matrix B
5
6
7
8
Product Matrix
19 22
43 50
