C program for multiplication of two matrices:
#include<stdio.h>
int main(){
int a[3][3],b[3][3],c[3][3],i,j;
printf("Enter the First matrix->");
for(i=0;i<3;i++)
for(j=0;j<3;j++)
scanf("%d",&a[i][j]);
printf("\nEnter the Second matrix->");
for(i=0;i<3;i++)
for(j=0;j<3;j++)
scanf("%d",&b[i][j]);
printf("\nThe First matrix is\n");
for(i=0;i<3;i++){
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",a[i][j]);
}
printf("\nThe Second matrix is\n");
for(i=0;i<3;i++){
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",b[i][j]);
}
for (i=0;i<3;i++) //initialisation of mat mul
{
for (j=0;j<3;j++)
{
c[i][j]=0;
}
}
for(i=0;i<3;i++){
for(j=0;j<3;j++){
int k;
for (k=0;k<3;k++)
{
c[i][j]+=a[i][k]*b[k][j];
}
}}
printf("\nmultiplication of matrix is\n");
for(i=0;i<3;i++){
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",c[i][j]);
}
return 0;
}
Enter the First matrix-> Enter the Second matrix-> The First matrix is 1 2 3 4 5 6 2 4 6 The Second matrix is 8 1 2 3 4 5 6 1 2 The Multiplication of two matrix is 32 12 18 83 30 45 64 24 36
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