Unit 1.6 Newton Raphson Method

#include <stdio.h>
#include <math.h>
#define f(x) ( (x*x*x*x) -x - 10)
#define f1(x) ( (4*x*x*x) - 1)
int main()
{
    float x0,x1,E;
    int i,n;
    printf("Enter the value of x0,E,n\n");
    scanf("%f %f %d",&x0,&E,&n);
    for(i=1 ; i<=n ; i++){
        if(fabs(f1(x1)) <= E ){
            printf("Slope is too small \n");
            return 0;
        }
        x1 = x0 - (f(x0)/f1(x0));
        if(x0==x1){
            printf("Convergent solution\n");
            printf("Hence the root is %f\n",x1);
            printf("No. of interations %d\n",i);
            return 0;
        }
        x0 = x1;
    }
    printf("Eoes not converge in %d interations",i-1);
    return 0;
}

/*
Output
Enter the value of x0,d,n
2 0.001 5
Convergent solution
Hence the root is 1.855585
No. of interations 4
*/