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The blank before var >0.5 cause error in R2016a

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raym
raym el 8 de Jul. de 2024
Respondida: Walter Roberson el 8 de Jul. de 2024
I found a strange behavior in R2016a command line. The additional blank before > cause problem:
>> aAreaVec = rand(5,1)
aAreaVec =
0.8147
0.9058
0.1270
0.9134
0.6324
>> aAreaVec>0.5
ans =
1
1
0
1
1
>> aAreaVec >0.5
Error: "aAreaVec" was previously used as a variable, conflicting with its use here as the name of a function or command.
See "How MATLAB Recognizes Command Syntax" in the MATLAB documentation for details.

Respuesta aceptada

Walter Roberson
Walter Roberson el 8 de Jul. de 2024
aAreaVec>0.5
is parsed as a relational operator comparing aAreaVec and 0.5
aAreaVec >0.5
is parsed as a call to a function named aAreaVec with parameter '>0.5'
which fails because aAreaVec is known as a variable and so cannot also be a function call.
The correction is to either use
aAreaVec>0.5
or
aAreaVec > 0.5
or to not have the code as the first expression; for example it would work to use
disp(aAreaVec >0.5)

Más respuestas (1)

Mathieu NOE
Mathieu NOE el 8 de Jul. de 2024
I don't think it has to do with a specific release
I have the same result with R2020a
now either you put no space or at least one space before and after the <
in your case ( 1 space beore , none after) will throw an error

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