21 lines
654 B
Matlab
21 lines
654 B
Matlab
function spikes = poissonspikes( trials, rate, tmax )
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% Generate spike times of a homogeneous poisson process
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% trials: number of trials that should be generated
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% rate: the rate of the Poisson process in Hertz
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% tmax: the duration of each trial in seconds
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% returns a cell array of vectors of spike times
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dt = 3.33e-5;
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p = rate*dt; % probability of event per bin of width dt
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% make sure p is small enough:
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if p > 0.1
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p = 0.1
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dt = p/rate;
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end
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spikes = cell(trials, 1);
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for k=1:trials
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x = rand(round(tmax/dt), 1); % uniform random numbers for each bin
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spikes{k} = find(x < p) * dt;
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end
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end
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