How to count the maximum and minimum range of non-zeros elements?

Technical Source
1 min readDec 28, 2020

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let’s suppose we have A of length 50 rows

how we can calculate the maximum range of non-zeros element and as well as minimum

A = [0 0 1 1 1 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 ]

In this case Max and Min should be,

Max = 5

Min = 2

Is there a straightforward solution to do this? without using complex looping because in my case data is too large approximately length of A is 220079705, your kind consideration will be highly regarded by all means,

ANSWER

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A = [0 0 1 1 1 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 ] props = regionprops(logical(A), ‘Area’); allLengths = [props.Area]; minLength = min(allLengths) maxLength = max(allLengths)

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Technical Source
Technical Source

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