Friday, 20 March 2015

Matrix Multiplication using 2D Array




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#include<stdio.h>
int main()
{
 int A[3][3];
 printf("enter your [3]*[3]matrix =9 elements: \n");
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   scanf("%d",&A[i][j]);
  }
 }

 printf("\nA matrix is: \n");
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   printf("%d ",A[i][j]);
  }
  printf("\n");
 }


 int B[3][3];
 printf("enter your [3]*[3] matrix =9 elements: \n");
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   scanf("%d",&B[i][j]);
  }
 }

 printf("\nB matrix is: \n");
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   printf("%d ",B[i][j]);
  }
  printf("\n");
 }
 printf("\nC=AxB matrix is: \n");
 int C[3][3];
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   int temp=0;
   for(int k=0;k<3;k++)
   {
    temp+=A[i][k]*B[k][j];
   }
   C[i][j]=temp;
  }  
  
 }
 for(int i=0;i<3;i++)
 {
  for(int k=0;k<3;k++)
  {
   printf("%d ",C[i][k]);
  }
  printf("\n");
 }
}

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