17 lines
656 B
Matlab
17 lines
656 B
Matlab
n = 10000; % number of action potentials
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T = 100.0; % total time interval
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spikes = sort(T*rand(n, 1)); % sorted times of action potentials
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isis = diff(spikes); % interspike intervals
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rate = n/T; % firing rate
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misi = mean(isis); % mean interspike interval
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sisi = std(isis); % and standard deviation
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fprintf('firing rate = %.1fHz\n', rate);
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fprintf(' mean ISI = %.1fms\n', 1000.0*misi); % inverse of rate
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fprintf(' std ISI = %.1fms\n', 1000.0*sisi); % same as mean
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hist(1000.0*isis, 50); % exponential distribution
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xlabel('ISI [ms]');
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ylabel('count');
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