Warning: Using only the real component of complex data.

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%¿por que me da este warning?
n=0:5:50;
x= exp(j*pi*n);
stem(x)

Accepted Answer

Yongjian Feng
Yongjian Feng on 11 Feb 2022
Edited: Yongjian Feng on 11 Feb 2022
j is the imaginary unit here, so x is complex. stem is not used to plot complex numbers, that is why only the real component is used.
Maybe you want to plot the real part and/or the imaginary part?
stem(real(x))
stem(imag(x))

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