This is my program. I dont know what to do next because I dont know what is invalid indirection. The error is found from line 46 to 52.
#include<iostream.h>
#include<conio.h>
#include<math.h>
#include<stdio.h>
int main()
{
int d, c;
double fx, fx1, fx2, fx3, fd, fd1, fd2, fd3, x, xi, e, y, er;
double in[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
clrscr();
cout << "\n\nEnter degree: ";
cin >> d;
if(d == 9)
{
cout << "\n\nThis is only limited up to the dehree of 8.";
}
else if(d == 0)
{
cout << "\n\nCannot solve equation. There is no variable present.";
}
else
{
for(c = d; c >= 0; c--)
{
cout << "\nCoeff for x^" << c << " term: ";
cin >> in[c];
}
cout << "\n\nEnter xi = ";
cin >> x;
do
{
**fx1 = (c[8] * pow(x,8)) + (c[7] * pow(x,7)) + (c[6] * pow(x,6));
fx2 = (c[5] * pow(x,5)) + (c[4] * pow(x,4)) + (c[3] * pow(x,3));
fx3 = (c[2] * pow(x,2)) + (c[1] * x) + c[0];
fx = (fx1 + fx2 + fx3);
fd1 = (d * c[0] * pow(x, d-1)) + ((d-1) * c[1] * pow(x, d-2)) + ((d-2) * c[2] * pow(x, d-3));
fd2 = ((d-3) * c[3] * pow(x, d-4)) + ((d-4) * c[4] * pow(x, d-5)) + ((d-5) * c[5] * pow(x, d-6));
fd3 = ((d-6) * c[6] * pow(x, d-7)) + (c[7]);**
fd = (fd1 + fd2 + fd3);
y = x;
x = (x - (fx/fd));
e = x - y;
if(e >=0)
{
er = e;
}
else
{
er = -(e);
}
}while(er > 0.0000000001);
cout << "\n\nThe root of the equation is " << x << ".";
}
getch();
return 0;
}