function week8lsgitem3(ll,ul,s)
format short;
%format long;
disp('     x        e^x    Chebyshev   Error   Maclaurin   Error')
x =(ll:s:ul)';
taylor=exp(x);
max=(ul-ll)/s+1;
for i=1:max
chebyshev=(0.9946 + 0.9973*x(i) + 0.5430*x(i)^2 + 0.1772*x(i)^3);
errorchebyshev(i)=taylor(i)-chebyshev;
maclaurin=(1+x(i)+0.5*x(i)^2+0.1667*x(i)^3);
errormaclaurin(i)=taylor(i)- maclaurin;
D=[x(i),taylor(i),chebyshev,errorchebyshev(i),maclaurin,errormaclaurin(i)];  
disp(D); 
end 
plot(x,errorchebyshev,'o',x,errormaclaurin,'-')
