Events inter-arrival time using exprnd

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Yasmin Tamimi
Yasmin Tamimi 2014-9-29
回答： Star Strider 2014-9-29
Hey everyone,
I'm modeling the inter-arrival time between events to be exponentially distributed. But I'm not sure how it really works!lets say that my lambda is 0.5/min because the time interval is 2s. Now exprnd(2,1,1) generates randomly distributed numbers and the separation between events is no longer 2s! Am I using the exprnd in a wrong way? And what difference does it make exprnd(2,1,1) and exprnd(10,1,1)?
Thanks in advance.

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回答（1 个）

Star Strider
Star Strider 2014-9-29
It’s been a while since I suffered through queuing theory, but if I remember correctly, arrival times are modeled as a Poisson process. I would use poissrnd.

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