How to judge the duplicate value of the previous loop and the current loop in the loop

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peter huang
peter huang 2022-5-4
评论： peter huang 2022-5-5
a = [201101 201107 201201 201207 201301 201307 201401 201407 201501 201507]
for k = 1:2
if k =mod(k,2)==1
index =(1:5)
year = a(index)
else k = mod(k,2)==0
year = index =(2:6)
end
how can find repeat value a(index(2:5))
is any way to detect or find out the existence of these duplicate values

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回答（1 个）

David Hill
David Hill 2022-5-4
Not sure what you are asking. Of course there are going to be repeated values in the year rows. You need to explain better with an example.
a = [201101 201107 201201 201207 201301 201307 201401 201407 201501 201507]
for k = 1:2
if mod(k,2)==1
year(k,:) = a(1:5);
else
year(k,:) = a(2:6);
end
end
  1 个评论
peter huang
peter huang 2022-5-5
I mean. When I get data about the date in the department, I want to use one year and two months as the time unit of the data in the department, but when I read it, I often read the time of the previous year and two months repeatedly. I would like to ask if there is a way to detect whether this loop repeats the value of the last loop

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