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eddiehy

Matrix Multiply

Nov 15th, 2015
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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. int a[3][3]={{1,2,3},{4,5,6},{7,8,9}};
  6. int b[3][3]={{2,4,6},{8,10,12},{14,16,18}};
  7. int c[3][3]={0};
  8. int i,j,k;
  9.  
  10. for (i=0;i<3;i++)
  11. {
  12. for(j=0;j<3;j++)
  13. {
  14. for(k=0;k<3;k++)
  15. {
  16. c[i][j]+=a[i][k]*b[k][j];
  17. }
  18. printf("%-5d",c[i][j]);
  19. }
  20. printf("\n");
  21. }
  22. }
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