How to select elements in an array that are in sequence?

Soumyatha Gavvala

2016 6 17

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I have a dynamic array which goes like this [1 2 3 4 31 32 33 34 35 36 37 38 39 40 41 42 56 57 58 59]. Where there is a larger set of elements in sequence (31 to 42) and smaller sets of elements (1 to 4 and 56 to 59). And these values change for every run.

I want to able to select the larger set of elements in sequence. Here, (31 to 42). Is there any way I can do that?

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Azzi Abdelmalek 2016-6-17

在 MATLAB Online 中打开

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a=[1 2 3 4 31 32 33 34 35 36 37 38 39 40 41 42 56 57 58 59]
id=[1 diff(a)]==1
ii1=strfind([0 id],[0 1])
ii1(2:end)=ii1(2:end)-1
ii2=strfind([id 0],[1 0])
[~,jd]=max(ii2-ii1)
out=a(ii1(jd):ii2(jd))