#include<stdio.h>
#include<conio.h>
#include<math.h>
#define E 0.0001
#define F(x) x*x
- 4*x - 10
void main(){
float
x1,x2,x3,f1,f2,t;
clrscr();
printf("\nEnter the value of x1: ");
scanf("%f",&x1);
printf("\nEnter the value of x2: ");
scanf("%f",&x2);
printf("\n______________________________________________\n");
printf("\n x1\t x2\t
x3\t f(x1)\t f(x2)");
printf("\n______________________________________________\n");
do{
f1=F(x1);
f2=F(x2);
x3=x2-((f2*(x2-x1))/(f2-f1));
printf("\n%f %f
%f %f %f",x1,x2,x3,f1,f2);
x1=x2;
x2=x3;
if(f2<0)
t=fabs(f2);
else
t=f2;
}while(t > E);
printf("\n______________________________________________\n");
printf("\n\nApp.root
= %f",x3);
getch();
}
Sample Output:
Sample Output:
Enter the value of x1: 4
Enter the value of x2: 2
-----------------------------------------------
x0 x1 x2 f(x0) f(x1)
-----------------------------------------------
4.000 2.000 9.0000 -10.000 -14.000
2.000 9.000 4.0000 -14.000 35.000
9.000 4.000 5.1111 35.000 -10.000
4.000 5.111 5.9565 -10.000 -4.321
5.111 5.957 5.7225 -4.321 1.654
5.957 5.722 5.7411 1.654 -0.143
5.722 5.741 5.7417 -0.143 -0.004
5.741 5.742 5.7417 -0.004 0.000
-----------------------------------------------
App.root = 5.741657
©Dixit
Bhatta 2013
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