Implementasi Perhitungan Metode Scant Dalam R-Stat

(function (y){
y <- g(x)
y <- x^3 + 2*x^2 + 10*x - 20
}

(function(x0, x1, aprox){
j<-2;
i<-1;
pn(1)<-x0;
pn(2)<-x1;
er(i)<-1;
while abs(er(i))>=aprox{
   pn(j+1)<-(pn(j-1)*f(pn(j))-pn(j)*f(pn(j-1)))/(f(pn(j))-f(pn(j-1)));
   er(i+1)<-abs((pn(j+1)-pn(j))/pn(j+1));
   j<-j+1;
   i<-i+1;
}

print(' i \t\t pn(i) \t\t Error aprox (i) \n')
print('%2d \t %11.7f \t\t \n',0,pn(1))

for k=2:j{
print(%2d \t %11.7f \t %7.8f \n,k,pn(k),er(k-1))}}