dt=0.0001;
spikes=zeros(1,19/dt);
spikes(1) = 1;
ispiketime = 1;
for (i = 1:10)
    nextispike = ispiketime+1/dt;
    spikes(nextispike)=1;
    ispiketime=nextispike;
end
for (i = 11:100)
    nextispike = ispiketime+0.1/dt;
    spikes(nextispike)=1;
    ispiketime=nextispike;
end