Simple Fourier Transform with Matlab - More Accurate

% SimpFourierTransform2
clear Q, f;
f=14;
h = @(x,y) cos(2*pi*x*f).*exp(-2*pi*i*x.*y);
mintime=-10;
maxtime=10;


for f=1:20;
  Q(f) = quadgk(@(x)h(x,f),mintime,maxtime);
end

stem(round(abs(Q)));

%stem(abs(Q))