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Change certain values in an array to a word

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Youssif Youssif
Youssif Youssif 2022-10-27
评论： Youssif Youssif 2022-10-27
Hello, I have a certain array, 72221x1 (called time), and I want to configure it so if time/ every row does not have a value equal to -2,-10,-30,2,10,30, and another variable at which PP does not equal 0, the time array would output "outlier" at these locations, and replace the value that does not meet the condition.
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Jan
Jan 2022-10-27
What does "at which PP does not equal 0" mean? Is the time array a double vector? Then whar does 'output "outlier"' mean?

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David Hill
David Hill 2022-10-27
Not sure why you want a mixed array of numbers and strings (not a good idea).
idx=~ismember(T,[-2 -10 -30 2 10 30])&PP~=0;%logical of time array meeting condition, logical true == "outlier"
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David Hill
David Hill 2022-10-27
Ran in:
A number flag like inf or -inf
a=[1 2 -inf 3 5 inf]
a = 1×6
1 2 -Inf 3 5 Inf

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