Need help with for loop

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준상 정
준상 정 2022-5-20
评论： Torsten 2022-5-22
hi. i'm trying something simple but i lilterally don't get it why it doesn't works in MATLAB. (i'm not familiar with using MATLAB, but C/C++)
so, here's my code :
for i = 1 : n-4
for j = j+1 : n-4
for k = j+1 : n-4
for l = k+1 : n-4
%% other codes
end
end
end
end
i've try to excute the code above, but the second for loop didn't excute. (it just slipped away)
i know it works on C/C++ or Python. so, what did i missed?
is it because MATLAB wouldn't allow this kind of for loops or something else?
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준상 정
준상 정 2022-5-21
yes i was meant
for j = i+1 : n-4
but it doesn't work either.
Torsten
Torsten 2022-5-22
Then the error lies in the part "other codes".

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回答（1 个）

jedak
jedak 2022-5-20
Where you define you variable j?
If you define a loop as:
for j=a:b
(code)
end
a should be <= b
if not the loop is not going to work.

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