Why do I get "Array indices must be positive integers or logical values" error when using "angle" function?
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MathWorks Support Team
le 26 Mar 2018
Déplacé(e) : Walter Roberson
le 20 Août 2022
Why do I get "Array indices must be positive integers or logical values" error when using "angle" function?
>> z = 22+i
>> a = angle(z)
>> z =
22.0000 + 1.0000i
ERROR: Array indices must be positive integers or logical values.
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MathWorks Support Team
le 22 Août 2023
Modifié(e) : MathWorks Support Team
le 20 Mai 2021
Based on the error message, it seems like you have a variable with the name "angle" stored in your workspace that overshadows the "angle" function
4 commentaires
Walter Roberson
le 28 Avr 2022
That code assumes that the values in Scores and Scores2 are all positive integers, and will give you an error if that is not the case.
That code also assumes that the Scores and Scores2 values are all either 1 or 2, but will not give an error if they are larger integers instead.
DGM
le 10 Mai 2022
Modifié(e) : DGM
le 10 Mai 2022
@Nguyen Quoc Khanh: t is not a nonzero integer. It can't be used for an index on the LHS of that assignment. You don't need to anyway.
s = cos(2*pi*100*t) + 2*cos(2*pi*200*t+pi/2) + 3*cos(2*pi*200*t+pi/4); % quá trình lấy mẫu
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