How to reference a previous step in a for-loop? ALSO how to trigger a loop to stop?
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Wesser
le 28 Jan 2021
Réponse apportée : Star Strider
le 28 Jan 2021
Hi,
I have the following equation:
for t=1:length(TimeXaxis)
C(t) = D(t-1) + I(t) * 0.91 / Vd(t) - E(t-1)
end
that I want to put in a for-loop and have it run through a long time series. All variable values at t=0 are 0. How do I properly referenc a previous step in the loop? I imagine something along the lines of what I wrote (t-1) in the equation...?
SECOND QUESTION:
In a for-loop, how do put in a clause telling the loop to stop if an iteration's results exceed a value?
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Star Strider
le 28 Jan 2021
‘How do I properly referenc a previous step in the loop?’
One way is to define the values of ‘D’ and ‘E’ before the loop, then begin the loop index at 2, since MATLAB only allows integers greater than 0 as loop indices:
E(1) = ...;
D(1) = ...;
for t=2:length(TimeXaxis)
C(t) = D(t-1) + I(t) * 0.91 / Vd(t) - E(t-1)
end
‘In a for-loop, how do put in a clause telling the loop to stop if an iteration's results exceed a value?’
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