bisection_method.cpp

#include <stdio.h>
double f(double x)
{
    return (x*x*x - 2*x -5);
}

int main()
{
    int i;
    // By regula falsi 
    double x0,x1,x3;
    x0=2;
    x1=3;
    for(i=0;i<3;i++)
    {
        x3 =x0 - (( x0 - x1 )/(f(x0)-f(x1)))*f(x0);
        x0=x1;
        x1=x3;
    }  
    printf("%lf",x3);
}