#include<stdio.h>
void matmultiply(int m[3][3], int n[3][3]);
void read(int x[3][3]);
//void read2(int y[3][3]);
void main()
{
int a[3][3],b[3][3],l,w;
printf("\nFor matrix a :-\n");
read(a);
printf("\nFor matrix b :-\n");
read(b);
printf("\nMatrix a :\n");
for(l=0;l<3;l++)
{
for(w=0;w<3;w++)
{
printf("%d\t",a[l][w]);
}
printf("\n");
}
printf("\nMatrix b :\n");
for(l=0;l<3;l++)
{
for(w=0;w<3;w++)
{
printf("%d\t",b[l][w]);
}
printf("\n");
}
matmultiply(a,b);
getch();
}
void read(int x[3][3])
{
int r,s;
for(r=0;r<3;r++)
{
for(s=0;s<3;s++)
{
printf("Enter the [%d][%d]th element of matrix : ",r,s);
scanf("%d",&x[r][s]);
}
}
}
void matmultiply(int m[3][3], int n[3][3])
{
int t[3][3],i,j,k;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
t[i][j]=0;
for(k=0;k<3;k++)
{
t[i][j]=t[i][j]+m[i][k]*n[k][j];
}
}
}
printf("\nThe resultant matrix after multiplying is :-\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%d\t",t[i][j]);
}
printf("\n");
}
}
Monday, July 31, 2017
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Code in C to multiply two matrix
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