Why do i have the "Array indices must be positive integers or logical values" error?
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Diego Ernesto Sandoval Vargas
le 22 Oct 2021
Commenté : Diego Ernesto Sandoval Vargas
le 22 Oct 2021
Hi, im new in matlab and im trying to move one place to the right the elements of an array
cadena2 = [1,2,3,4,5];
n = length(cadena2);
aux = cadena2(n);
for i = n:-1:1
cadena2(i)=cadena2((i-1));
end
cadena2(1)=aux;
cadena2
i have this error:
Array indices must be positive integers or logical values.
Error in Clase01102 (line 22)
cadena2(i)=cadena2((i-1));
if you can help i really apreciate it
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Jon
le 22 Oct 2021
Modifié(e) : Jon
le 22 Oct 2021
Your problem is that in your loop i goes from 5 down to 1 but you index cadena2((i-1), and for the last loop when i = 1 this equals zero which is not allowed. Indices must be positive integers
The MATLAB function circshift is very helpful for this kind of operation. You can do it in one line
y = circshift(cadena2,1)
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