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%%% parameters | |
% forget what you know | |
clear | |
% set max N | |
N=500; | |
% set "turnover n", aka n0 | |
n0=10; | |
% plotting parameters: | |
zmax=.2; | |
xmax=60; | |
% how many R values to use? | |
NRs=20; | |
%%% rate parameters | |
% set max decay | |
Rmax=1e-1; | |
Rmin=1e-2; | |
% set vector of decay rates | |
Rs=linspace(Rmin,Rmax,NRs); | |
% set leakiness | |
a0=0 | |
a0=.1; | |
%%% creation rate (function) | |
% will loop over "n" | |
n=0:N; | |
% use a0 and n to set creation rate function | |
wp=a0+n.^2./(n0.^2+n.^2); | |
% LOOP! | |
for idx=1:length(Rs); | |
% set decay function=R*n | |
wm=Rs(idx)*n; | |
% calculate steady state q | |
q(idx,:)=qcalc_smart(wp,wm); | |
% calculate <n> | |
nbar(idx)=dot(n,q(idx,:)); | |
end | |
%%% plot some stuff | |
if 0 | |
% plot creation rate (NB: could do this BEFORE the loop but...) | |
figure(4) | |
plot(wp); | |
title('wp') | |
end | |
% plot nbar vs R | |
figure(1) | |
plot(Rs,nbar) | |
title('nbar vs Rs') | |
% plot q(R,n) | |
figure(2) | |
imagesc(q) | |
xlim([0 xmax]) | |
title('q') | |
% replot q(R,n) | |
figure(3) | |
mesh(q) | |
title('q') | |
zlim([0 zmax]) | |
xlim([0 xmax]) | |
rotate3d on | |
zlabel('p(n)') | |
ylabel('R index') | |
xlabel('n') | |
% plot q | |
figure(5) | |
plot(q','.-') | |
title('all the p') | |
xlim([0 xmax]) | |
xlabel('n') | |
ylim([0 zmax]) | |
% plot q for each R (a loop, with a pause) | |
figure(6) | |
for idx=1:length(Rs) | |
plot(q(idx,:),'.-') | |
title(sprintf('q, R=%g',Rs(idx))); | |
xlim([0 xmax]) | |
pause(1) | |
end |
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