How can ı creat poisson random variables?

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评论： Onur Metin Mertaslan 2020-5-8

lambda = 75;

N = 0:200; %Number of people

P = poisspdf(N,lambda);

E=lambda;%expected value

V=lambda; %variance

bar(N,P,1);

xlabel('Observation');

ylabel('Probability');

I have a poisson distribution but I need to create poisson random numbers intead of N.CAn someone help me?

Thanks!

Akira Agata 2020-5-7

You can generate random number by using poissonrnd function, like;

lambda = 75;
r = poissrnd(lambda);

Or, if you want to generate 1000-by-1 random number array, you can do it by:

r = poissrnd(lambda,1000,1);

Akira Agata 2020-5-7

You mean, you want to create pdf plot from r ? Then, you can create it using histogram function with 'Normalization' option, like:

figure
histogram(r,'Normalization','pdf')
xlabel('Observation');
ylabel('Probability');
grid on

Yes, Thank you so much!

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