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Plot the poles and zeros of a filter or model on the complex Z-plane
zplane(filt, ...)# S3 method for Arma zplane(filt, ...)# S3 method for Ma zplane(filt, ...)# S3 method for Sos zplane(filt, ...)# S3 method for Zpg zplane(filt, ...)# S3 method for default zplane(filt, a, ...)
# S3 method for Arma zplane(filt, ...)
# S3 method for Ma zplane(filt, ...)
# S3 method for Sos zplane(filt, ...)
# S3 method for Zpg zplane(filt, ...)
# S3 method for default zplane(filt, a, ...)
No value is returned.
for the default case, the moving-average coefficients of an ARMA model or filter. Generically, filt specifies an arbitrary model or filter operation.
filt
additional arguments are passed through to plot.
the autoregressive (recursive) coefficients of an ARMA filter.
Paul Kienzle, [email protected], Stefan van der Walt [email protected], Mike Miller. Conversion to R by Tom Short, adapted by Geert van Boxtel, [email protected]
Poles are marked with an x, and zeros are marked with an o.
x
o
https://en.wikipedia.org/wiki/Pole-zero_plot
freqz
## elliptic low-pass filter elp <- ellip(4, 0.5, 20, 0.4) zplane(elp)
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