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matrixmultiplication.c
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matrixmultiplication.c
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#include <stdio.h>
int main() {
int r,c;//for matrix 1
int ro,co;//for matrix 2
//to get rows and columns from user//
printf("enter rows in 1st matrix:");
scanf("%d",&r);
printf("enter columns in 1st matrix:");
scanf("%d",&c);
printf("\n");
//initialising the matrix//
int a[r][c];
//to input elemts in matrix 1//
printf("enter elements in 1st matrix:\n");
printf("\n");
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
scanf("\t%d",&a[i][j]);
}
}
printf("enter rows in 2nd matrix:");
scanf("%d",&ro);
printf("enter columns in 2nd matrix:");
scanf("%d",&co);
printf("\n");
int b[ro][co];
printf("enter elements in 2nd matrix:\n");
printf("\n");
for(int i=0;i<ro;i++)
{
for(int j=0;j<co;j++)
{
scanf("\t%d",&b[i][j]);
}
}
int x[r][co];
if(c != ro)
{
printf("can't multiply");
}
else
{
for(int i=0;i<r;i++)
{
for(int j=0;j<co;j++)
{
int sum=0;
for(int k=0;k<c;k++)
{
sum=sum+a[i][k]*b[k][j];
}
x[i][j]=sum;
}
}
}
printf("THE MULTIPLICATION OF MATRIX IS:\n");
for(int i=0;i<r;i++)
{
for(int j=0;j<co;j++)
{
printf("%d ",x[i][j]);
}
printf("\n");
}
}