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  1. #include "stdafx.h"
  2. #include <iostream>
  3. #include <math.h>
  4.  
  5. using namespace std;
  6.  
  7. double y(double x);
  8.  
  9. int main(int argc, char* argv[])
  10. {
  11. 	double a = 0.1, b = 1.0, h = 0.1;
  12. 	double sum, prev;
  13. 	int k;
  14.  
  15. 	cout << "k = "; cin >> k;
  16.  
  17. 	for (double x = a; x < b + h / 2; x += h) {
  18. 		//start values
  19. 		sum = prev = pow(x,3) / 3;
  20. 		for (int n = 2; n <= k; ++n) {
  21. 			prev *= -1 * (x * x);
  22. 			sum += prev / (4 * n * n - 1);
  23. 		}
  24.  
  25. 		cout << "y(x) = " << y(x) << "   AND s(x) = " << sum << endl;
  26. 	}
  27.  
  28. 	return 0;
  29. }
  30.  
  31. double y(double x) 
  32. {
  33. 	return (1 + x * x) / 2 * atan(x) - x / 2;
  34. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:1:20: fatal error: stdafx.h: No such file or directory
 #include "stdafx.h"
                    ^
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/f2WU4Y
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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