MATLAB Answers

Entity generation in SimEvents

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summyia qamar
summyia qamar on 27 Feb 2018
Answered: Krishna Akella on 10 Dec 2018
I want to generate 5 entities at the start of simulation and then single entity with fixed interval (idea of having initial inventory and then production at continuous rate) . I know how to generate multiple entities at the start of simulation but don't know how to continue generation of single entity with regular interval in rest of simulation time. can anyone guide me please as I'm a learner of SimEvents.

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Striker121
Striker121 on 1 Mar 2018
Something like the following should work:
In the entity generator block parameters, replace the variables "TotalNumberEntitiesToGenerate" and "IntervalToOutputEntitiesAt" as appropriate
summyia qamar
summyia qamar on 4 Mar 2018
yes it worked..can you please explain me what is "isempty"? I dont understant the use of "persistant" and "isempty" in syntax. you can write your answer in answer section so that I can Accept it as correct

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Answers (1)

Krishna Akella
Krishna Akella on 10 Dec 2018
Hi Summyia,
A persistent variable persists its value between function calls. 'isempty(SEQ)' returns 1 if SEQ is an empty array and 0 otherwise.
persistent SEQ; % SEQ should retain its value between different calls to this method
persistent idx; % idx should retain its value between different calls to this method
if isempty(SEQ) % Check if SEQ is empty
SEQ = zeros(1, TotalNumberEntitiesToGenerate); % Initialize the value of SEQ
...
Hope that clarifies!
- Krishna

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