Help me to solve this code

syms x
L=1;
N=2;
n=N+1;
h=L/N;
for i=1:n
    X(1,i)=(i-1)*h;
end
num=1;
den=1;
for j=2:3
 num=num.*((x-X(1,j)));
 den=den.*(X(1,1)-X(1,j))
end
S(1,1)=num./den;
disp(S(1,1))

[John D'Errico]

Solve what? There is no question here, only some code with no meaning provided behind it.