Zero-pole-gain model of an ARMA filter.
Zpg(zero, pole, gain)# S3 method for Arma
as.Zpg(x, …)
# S3 method for Ma
as.Zpg(x, …)
# S3 method for Zpg
as.Zpg(x, …)
complex vector of the zeros of the model.
complex vector of the poles of the model.
gain of the model.
model to be converted.
additional arguments (ignored).
An object of class “Zpg”, containing the list elements:
complex vector of the zeros of the model.
complex vector of the poles of the model.
gain of the model.
as.Zpg converts from other forms, including Arma and Ma.