How can I select rows in an array based on the values in the first column of another array?

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Hi suppose I have a column of values like :
Screenshot 2020-01-31 at 12.02.44 AM.png
How do I select rows in another array based on the array above, Example: row 46, 47 ,48, 49 .... except for row 52
Screenshot 2020-01-31 at 12.03.22 AM.png

Accepted Answer

Ridwan Alam
Ridwan Alam on 30 Jan 2020
new_array = second_array(first_array,:)

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