Jan 30, 2012

C Program to generate sparse matrix.

C Program to generate sparse matrix.
A sparse matrix is a matrix that allows special techniques to take advantage of the large number of zero elements.Sparse matrix is very useful in engineering field, when solving the partial differentiation equations. Read more about how to generate sparse matrix.
Read more about C Programming Language .

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#include<stdio.h>
#include<conio.h>
void main()
{
 int A[10][10],B[10][3],m,n,s=0,i,j;
 clrscr();
 printf("\nEnter the order m x n of the sparse matrix\n");
 scanf("%d%d",&m,&n);
 printf("\nEnter the elements in the sparse matrix(mostly zeroes)\n");
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   printf("\n%d row and %d column:   ",i,j);
   scanf("%d",&A[i][j]);
  }
 }
 printf("The given matrix is:\n");
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   printf("%d ",A[i][j]);
  }
  printf("\n");
 }
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   if(A[i][j]!=0)
   {
    B[s][0]=A[i][j];
    B[s][1]=i;
    B[s][2]=j;
    s++;
   }
  }
 }
 printf("\nThe sparse matrix is given by");
 printf("\n");
 for(i=0;i<s;i++)
 {
  for(j=0;j<3;j++)
  {
   printf("%d ",B[i][j]);
  }
  printf("\n");
 }
 getch();
}


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