Laboratoriya mashg’uloti Algebraik va transsendent tenglamalarni yechishda oraliqni teng ikkiga bo’lish, iterasiya usullari

Iteratsiya usuli blok sxemasi


Tenglamarni oddiy iteratsiya usulida yechishning dasturi
#include
#include
using namespace std;
float f(float x)
{
return (exp(x)-2)/10.;
}


int main(){
float x, x0, e,a,b;
int n,i;
cout<<"birinchi yaqinlashish nuqtani kiriting";
cin>>x0;
cout<<"aniqligi";
cin>>e;
cout<<"iterasiyalar soni"; cin>>n;
x=x0;
for(i=1;i<=n;i++){
a=f(x);
if(fabs(x-a)<=0) break;
x=a;
}
cout<<"iterasiyalar soni="<
cout<<"noma'lum had="<
return 0;}


Mustaqil yechish uchun topshiriqlar
1) x³-3x²+5x+1=0
2) x³-20x+5=0
3) 2x³-x-5=0



7) 2x³-2x-1=0
8) 3x+cosx+1=0

9. 
   x³-x7=0
   
10. 
    lnx+2 =0
    
11. 
    2x³-2x²+3x+1=0
    
12. 
    x+cosx-1=0
    
13. 
    2x³-x-5=0
    
14. 
    
    
15. 
    x³+2x²+5x+2=0
    
16. 
    x³-3x²+2x-4=0
    
17. 
    x²+4sinx=0
    
18. 
    lnx+x+1=0
    
19. 
    2x³+2x-4=0
    
20. 
    2x-lgx=3
    
21. 
    x³-2x²+7x-1=0
    
22. 
    
    
23. 
    x³-3x²+6x+2=0
    
24. 
    3x-2lnx=4
    
25. 
    2x³+3x+4=0
    
26. 
    x³-2x+2=0
    
27. 
    x³-3x²+2x-4=0
    
28. 
    4x-e^x=0
    
29. 
    x³+x-8=0
    
30. 
    x³-3x²+5x+1=0