MATLAB Answers

Clear persisent variable in for loop

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Deepa Maheshvare
Deepa Maheshvare on 5 Mar 2020
Commented: Rik on 5 Mar 2020
I've the following code
function fun(i)
persistent ss
persistent s
s = vercat(s,rand(1,2))
if i== 4
ss(j) = s ;
% here I want to clear the persistent variable s
end
end
The above function is executed in the following manner
for j = 1:4
for i = 1:4
i
fun(i)
end
end
I would like to ask for suggestions on how to clear the persistent variable s when i = 4.

  1 Comment

Rik
Rik on 5 Mar 2020
Why do you want to do this?

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Answers (1)

Robert U
Robert U on 5 Mar 2020
Hello Deepa Maheshvare,
According to documentation persistent variables can be cleared by clearing the function from memory. If you want to reset the value of the variable within the function just assign a new value (which could be [] as well).
Kind regards,
Robert

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