function ff=do_plot(bins,aux,col,col2)    

[curve2, ~] = do_fit(bins,aux);

aux=aux/feval(curve2,0);
[curve2, gof2] = do_fit(bins,aux);


subplot(2,2,1)
p1=plot(curve2);
set(p1,'Color',col2,'LineWidth',2);
hold on;
plot(bins,aux,'Color',col);

legend off;
axis([0 .3 0 1.2])

subplot(2,2,2)

plot(bins,curve2.c.*cos(2*pi*curve2.f.*bins).*exp(-curve2.d.*bins),'Color',col2,'LineWidth',2);
hold on;
plot(bins,aux-feval(curve2,bins)'+curve2.c.*cos(2*pi*curve2.f.*bins).*exp(-curve2.d.*bins),'Color',col);


disp(['freq: ' trunc(curve2.f,3) '  R^{2}: ' trunc(gof2.rsquare,3)]);
ff=curve2.f;
axis([0 .3 -.2 .2])