C Program to Multiply Two Matrix
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Program 1
// Program for matrix multiplication
#include<stdio.h>
#include<conio.h>
int main()
{
system("cls");
int a[50][50],b[50][50],c1[50][50],m,n,r,c,k;
xyz:printf("Enter value of row and column");
scanf("%d%d",&m,&n);
if(m>50 || n>50)
{
printf("Invalid limit of row or column\n");
goto xyz;
}
printf("\nEnter elements in first matrix\n");
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
scanf("%d",&a[r][c]);
}
}
printf("\nEnter elements in second matrix\n");
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
scanf("%d",&b[r][c]);
}
}
printf("\nElements of first matrix\n");
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
printf("%4d",a[r][c]);
}
printf("\n");
}
printf("\nElements of second matrix\n");
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
printf("%4d",b[r][c]);
}
printf("\n");
}
// Matrix multiplication
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
for(k=0;k<m;k++)
{
c1[r][c]=c1[r][c]+(a[r][k]*b[k][c]);
}
}
}
printf("\nResult is: \n");
for(r=0;r<m;r++)
{
for(c=0;c<n;c++)
{
printf("%4d",c1[r][c]);
}
printf("\n");
}
}
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