why is my semilogy not showing anything

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Rexy
Rexy 2018-3-18
评论： Walter Roberson 2018-3-18
Hello ,i am fairly new to MATLAB, graphs not showing up with attachment of m.file
  1 个评论
Walter Roberson
Walter Roberson 2018-3-18
abs() is not the way to extract the real part: use real() to extract the real part.

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Von Duesenberg
Von Duesenberg 2018-3-18
It does plot something; you can check this if you provide a marker and exaggerate its size:
semilogy(f, Zin_real, 'ko', 'MarkerSize', 10)
But is this really what you wanted?

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