function HW9_14c %Midpoint

%Input data
a = 1 ;
b = 2;
n = 128;
h = (b-a)/(n+2);
x = a+h:2*h:b-h;
f = x.*log(x);

%weight=(1,1,1,1,1,...,1,1,1,1)
w(1:n/2+1)=1;

%Sum
s = (2*h)*w*f'

end

%n=128, s=0.636287525399937