% Created by Eugene M. Izhikevich, February 25, 2003 % Excitatory neurons Inhibitory neurons Ne=800; Ni=200; re=rand(Ne,1); ri=rand(Ni,1); a=[0.02*ones(Ne,1); 0.02+0.08*ri]; b=[0.2*ones(Ne,1); 0.25-0.05*ri]; c=[-65+15*re.^2; -65*ones(Ni,1)]; d=[8-6*re.^2; 2*ones(Ni,1)]; S=[0.5*rand(Ne+Ni,Ne), -rand(Ne+Ni,Ni)]; v=-65*ones(Ne+Ni,1); % Initial values of v u=b.*v; % Initial values of u firings=[]; % s
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