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Showing posts with label strassen matrix multiplication for 4x4. Show all posts
Showing posts with label strassen matrix multiplication for 4x4. Show all posts

Strassen's Method For Matrix Multiplication c program

strassen matrix multiplication code in c
strassen matrix multiplication 4 4 example
strassen matrix multiplication for 4x4
strassen's matrix multiplication program in c using recursion
strassen's matrix multiplication for nxn matrix in c
strassen's matrix multiplication program in c using divide and conquer
strassen's matrix multiplication algorithm implementation
strassen's matrix multiplication for 4x4 matrix example in c



Strassen's Method For Matrix Multiplication c program


#include<stdio.h>
void main(){
  int a[2][2],b[2][2],c[2][2],i,j;
  int m1,m2,m3,m4,m5,m6,m7;

  printf("Enter the 4 elements of first matrix: ");
  for(i=0;i<2;i++)
      for(j=0;j<2;j++)
           scanf("%d",&a[i][j]);

  printf("Enter the 4 elements of second matrix: ");
  for(i=0;i<2;i++)
      for(j=0;j<2;j++)
           scanf("%d",&b[i][j]);

  printf("\nThe first matrix is\n");
  for(i=0;i<2;i++){
      printf("\n");
      for(j=0;j<2;j++)
           printf("%d\t",a[i][j]);
  }

  printf("\nThe second matrix is\n");
  for(i=0;i<2;i++){
      printf("\n");
      for(j=0;j<2;j++)
           printf("%d\t",b[i][j]);
  }

  m1= (a[0][0] + a[1][1])*(b[0][0]+b[1][1]);
  m2= (a[1][0]+a[1][1])*b[0][0];
  m3= a[0][0]*(b[0][1]-b[1][1]);
  m4= a[1][1]*(b[1][0]-b[0][0]);
  m5= (a[0][0]+a[0][1])*b[1][1];
  m6= (a[1][0]-a[0][0])*(b[0][0]+b[0][1]);
  m7= (a[0][1]-a[1][1])*(b[1][0]+b[1][1]);

  c[0][0]=m1+m4-m5+m7;
  c[0][1]=m3+m5;
  c[1][0]=m2+m4;
  c[1][1]=m1-m2+m3+m6;

   printf("\nAfter multiplication using \n");
   for(i=0;i<2;i++){
      printf("\n");
      for(j=0;j<2;j++)
           printf("%d\t",c[i][j]);
   }


}





  • strassen matrix multiplication code in c
  • strassen matrix multiplication 4 4 example
  • strassen matrix multiplication for 4x4
  • strassen's matrix multiplication program in c using recursion
  • strassen's matrix multiplication for nxn matrix in c
  • strassen's matrix multiplication program in c using divide and conquer
  • strassen's matrix multiplication algorithm implementation
  • strassen's matrix multiplication for 4x4 matrix example in c

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