Estrazione dei dati

R2026b

Estrarre i dati numerici, compresi i coefficienti e le incertezze

È possibile estrarre coefficienti e parametri dal modello per ulteriori analisi. È inoltre possibile calcolare la risposta in frequenza, compreso il guadagno CC e la larghezza di banda.

Funzioni

espandi tutto

Dati del modello

`polydata`	Access polynomial coefficients and uncertainties of identified model
`ssdata`	Access state-space model data
`idssdata`	State-space data for identified system
`tfdata`	Access transfer function data
`zpkdata`	Access zero-pole-gain data
`frdata`	Access data for frequency response data (FRD) object
`ndims`	Query number of dimensions of dynamic system model or model array
`order`	Query model order
`pole`	Poles of dynamic system
`zero`	Zeros and gain of SISO dynamic system
`size`	Query output/input/array dimensions of input–output model and number of frequencies of FRD model

Parametri del modello

`getpvec`	Obtain model parameters and associated uncertainty data
`setpvec`	Modify values of model parameters
`getcov`	Parameter covariance of identified model
`setcov`	Set parameter covariance data in identified model
`get`	Access model property values
`set`	Set or modify model properties
`nparams`	Number of identified model parameters

Risposta del modello

`freqresp`	Evaluate system response over a grid of frequencies
`damp`	Natural frequency and damping ratio
`dcgain`	Guadagno a bassa frequenza (CC) di un sistema LTI
`bandwidth`	Frequency response bandwidth

Argomenti

Extracting Numerical Model Data
Extracting numerical parameter values and uncertainties from linear models.