Exponential distributed random values
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Furkan Karaman
il 22 Nov 2020
Modificato: John D'Errico
il 22 Nov 2020
Hello,
I read in my script the following for creating exponential distributed random values:
n=50; %number of summands
n_exp=1000; %number of experiments
mu=rand(n,1)+0.5; %random means between 0.5 and 1.5
sigma=mu; %for exponential distribution
x=exprnd(repmat(mu,1,n_exp),n,n_exp); &exponential distributed random values for every experiment
n and n_exp are defining the size of the array but can anyone explain why I have to use repmat(mu,1,n_exp)?
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John D'Errico
il 22 Nov 2020
Modificato: John D'Errico
il 22 Nov 2020
You need to do that since your exponential rate parameter varies. If it were constant, this would not be necessary. The first argument would just then be a scalar.
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