i just need to know how can i extract the columns based on a condition
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omar mahallawy
le 24 Fév 2019
Commenté : Andi
le 31 Mar 2022
![Capture.PNG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/205673/Capture.png)
the condition is (if the first value in the column is less than or equal to a certain number then extract the whole column)
10 by 13 vector, in a for loop
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Walter Roberson
le 24 Fév 2019
mask = TheArray(:,1) <= ACertainNumber;
output = TheArray(mask, :);
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Andi
le 31 Mar 2022
@Walter Roberson I highly appreciate your approch. I have a similar problem only the difference is in my case ACertainNumber is in a range e.g., 1-2 and then 2-3 and so on. Additionally, I need to compute the mean of ACertainNumber of all the selected coloumns. May you suggest any possible wayout.
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