How to save the last four iterations in a for-loop

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KostasK
KostasK 2022-3-21
回答： Voss 2022-3-21
Hi all,
I have a basic for-loop and I would like to know how I can only save (or retain) the last 4 iterations of the loop instead of all. For example:
clear ; clc
b = 2 ;
for i = 1:100
a(i) = b + 4 ;
end
would save all iterations from i=1 to 100. How could I have only the last four while the loop is running? (that is without having the for-loop execute and then just extract the final four iterations)
Thanks for your help in advance.

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采纳的回答

Matt J
Matt J 2022-3-21
编辑：Matt J 2022-3-21
One way:
for i = 1:100
a(max(i-96,1)) = b + 4 ;
end

更多回答（1 个）

Voss
Voss 2022-3-21
Here's one way:
clear ; clc
b = 2 ;
for i = 1:100
if i > 96
a(i-96) = b + 4 ;
end
end

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