Summing 100 data values : Array Double « Data Type « C / ANSI-C

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C / ANSI-C » Data Type » Array Double

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Summing 100 data values



#include <stdio.h>



int main()

{

  double data[100];

  double sum = 0.0;

  int i = 0;

  double sign = 1.0;



  printf("\nYou entered the values:\n");

  for(i = 1 ; i<=100 ; i++){

    data[i-1] = 1.0/(2*i*(2*i+1)*(2*i+2));

  }



  for(i = 0 ; i<100 ; i++)

  {

    sum += sign*data[i];

    sign = -sign;

  }

  printf("\nResult is %.4lf\n", 4.0*sum+3);

}

Related examples in the same category

1.	Summing reciprocals of five values
2.	using a 2-dimensional array of doubles

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