Find a c program for Bisection method?

Answer 1

1. #include
2. #include
3. #include
4. #define ESP 0.001
5. #define F(x) (x)*(x)*(x) + (x)*(x) + (x) + 7
6. void

   main(

   )

7. {
8. int

   i=

   1

   ;

9. float

   x0,

   x1,

   x2;

10. double

    f1,

    f2,

    f0,

    t;

11. clrscr(

    )

    ;

12. printf(

    "\n

    Enter the value of x0: "

    )

    ;

13. scanf(

    "%f"

    ,&

    x0)

    ;

14. printf(

    "\n

    Enter the value of x1: "

    )

    ;

15. scanf(

    "%f"

    ,&

    x1)

    ;

16. printf(

    "\n

    ____________________________________________\n

    "

    )

    ;

17. printf(

    "\n

    iteration\t

    x0\t

    x1\t

    x2\t

    f0\t

    f1\t

    f2"

    )

    ;

18. printf(

    "\n

    _____________________________________________\n

    "

    )

    ;

19. do
20. {
21. x2=

    (

    x0+

    x1)

    /

    2

    ;

22. f0=

    F(

    x0)

    ;

23. f1=

    F(

    x1)

    ;

24. f2=

    F(

    x2)

    ;

25. printf(

    "\n

    %d %f %f %f %lf %lf %lf"

    ,

    i,

    x0,

    x1,

    x2,

    f0,

    f1,

    f2)

    ;

26. if

    (

    f0*

    f2<

    0

    )

27. {
28. x1=

    x2;

29. }
30. else
31. {
32. x0=

    x2;

33. }
34. i++;
35. }

    while

    (

    fabs(

    f2)

    >

    ESP)

    ;

36. printf(

    "\n

    ________________________________________\n

    "

    )

    ;

37. printf(

    "\n

    \n

    App.root = %f"

    ,

    x2)

    ;

38. getch(

    )

    ;

39. }