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Showing posts with label strassen matrix multiplication code in c. Show all posts
Showing posts with label strassen matrix multiplication code in c. 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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