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Find first three numbers in a matrix that satisfy the condition x>0.001

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Zona Hrnjak
Zona Hrnjak on 9 Jul 2019
Edited: Matt J on 10 Jul 2019
I have a matrix with three columns and just over 8000 rows. The first column is the load in a compression test as time goes on. I want to find where the numbers start increasing actually increasing, so I want to find the first three numbers which are greater than or equal to 0.001. I've used the following to find the rows where x>0.001:
B=find(A(:,1)>0.001)
However, I don't know how to specifiy to find the first three rows that satisfy these conditions. Any ideas on how to go about this?

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Accepted Answer

Matt J
Matt J on 9 Jul 2019
B=find(A(:,1)>0.001,3)

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Zona Hrnjak
Zona Hrnjak on 9 Jul 2019
Is there a way to get the first three rows that both satisfy the condition and are next to each other?

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