can you remove complex values from a plot

G
G
2014 10 24
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更新时间：2022 6 15
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I am using plotyy but I have noticed that it begins to try and plot complex values. I know the data is accurate up until the numbers become complex. Is there a way to tell matlab to not plot the complex values.
Edit
I am plotting 2 [3x99] matrices. In one matrix the values will become complex after a point while the other matrix will always be real. I am looking for a way to ignore the complex values.

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Sean de Wolski
Sean de Wolski 2014-10-24
编辑：Sean de Wolski 2014-10-24

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xreal = real(x)
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x = [3+0i,5+1i,4+2i,1+0i]
x(~imag(x))

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G
G 2014-10-24
编辑：G 2014-10-24
the real command will just get rid of the imaginary part, I want to ignore the whole complex value if possible.

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