Zpg | R Documentation |

Zero-pole-gain model of an ARMA filter.

```
Zpg(zero, pole, gain)
## S3 method for class 'Arma'
as.Zpg(x, ...)
## S3 method for class 'Ma'
as.Zpg(x, ...)
## S3 method for class 'Zpg'
as.Zpg(x, ...)
```

`zero` |
complex vector of the zeros of the model. |

`pole` |
complex vector of the poles of the model. |

`gain` |
gain of the model. |

`x` |
model to be converted. |

`...` |
additional arguments (ignored). |

`as.Zpg`

converts from other forms, including `Arma`

and `Ma`

.

An object of class “Zpg”, containing the list elements:

`zero` |
complex vector of the zeros of the model. |

`pole` |
complex vector of the poles of the model. |

`gain` |
gain of the model. |

Tom Short

`Arma`

, `bilinear`

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