Matlab invfreqz(h,w,4,5,[],30) example doesn't give sample output as octave

[shall689]

Hello,

The invfreqz(h,w,4,5,[],30) example located
https://www.mathworks.com/help/signal/ref/invfreqz.html doesn't give the
same result as octave.

Is some functionality missing from invfreqz()?

Thanks,
Stephen



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