Re: Datatype of random poisson-distributed numbers

[Doug Stewart]

On Sat, Dec 16, 2017 at 9:27 AM, stn021 <address@hidden> wrote:

Hello,

this is a question for me to better understand the inner workings of octave.

The function randn() produces random numbers with poisson-distibution.

the help message says

" Return a matrix with normally distributed"  

this is not poisson in my knowledge. 

 

It is also possible to add the parameter "single" oder "double".
Then the result will be of the corresponding class.

My question is: when is that useful?
Poisson-distributed variables are by definition integers so it should not make any difference.

Could you give me an example where it does make a difference?

THX

stn

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DAS