MATLAB: Does entity generation stay at 0 after using randn function

SimEventssimulink

I am using this code to try to generate random entities with the a mean of 100 and a std dev. of 10. Each time I try to run the simulation I get 0 entities generated and m=100 in the system dialog. How do I change the code to generate random entities?
persistent rngInit;
if isempty(rngInit)
    seed = 12345;
    rng(seed);
    rngInit = true;
end
% Pattern: Gaussian (normal) distribution
% m: Mean, d: Standard deviation
m = 100, d = 10;
dt = m + d * randn;

Best Answer

If your dt is coming out empty, then at some point you assigned [] to randn
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