What does a(a<0) = 0 mean in matlab?
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Abhinav Agrawal
el 23 de Jun. de 2022
Respondida: Cris LaPierre
el 23 de Jun. de 2022
I am new to matlab.
What does a(a<0) = 0 mean?
is it valid if a is an array as well?
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Cris LaPierre
el 23 de Jun. de 2022
Yes, it works on arrays. It is using logical indexing to assign values to a. You can learn more about logical indexing in Ch 11 of MATLAB Onramp.
Basically, set any value in a that is less than zero to zero. Here's a simple example.
a = rand(3)
a<0.5
a(a<0.5)=0
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Adam Danz
el 23 de Jun. de 2022
> What does a(a<0) = 0 mean?
a can be a scalar or an array.
This replaces all values in a that are less than 0 with 0.
Example
a = [-6: 2 : 6]
a(a<0) = 0
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