C Program for dynamic memory allocations (Product of two matrices)

C Program for dynamic memory allocations (Product of two matrices)

Product of two matrices

Program:-

#include <stdio.h>

#include<conio.h>

void main()

{

 int a[3][3],b[3][3],c[3][3];

 int i,j,k,l = 1,m = 2;

 clrscr();

 printf("---------------Enter the first matrix A--------------\n");

 for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

gotoxy(l,m);

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

i = l+6;

}

m =  m+1;

l=1;

}

printf("---------------Enter the first matrix B---------------\n");

m=m+1;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

gotoxy(l,m);

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

i = l+6;

}

m = m+1;

l = 1;

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

c[i][j] = 0;

for(k=0;k<3;k++)

{

c[i][j] += a[i][k] * b[k][j];

}

}

}

printf("\n\n----------The product of two matrix--------------- \n\n" );

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

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

if(j==2)

{

printf("\n\n");

}

}

}

getch();

}

Output:

-----------------------Enter the first matrix A--------------

    1     2     3

    2     3     4

    3     4     5

 ----------------Enter the first matrix B---------------

    1     2     3

    3     4     5

    2     3     4

    ----------The product of two matrix---------------

    13              19              25

    19              28              37

    25              37              49