System Identification Toolbox    

Model Conversions
arxdata

Compute ARX parameters.

idmodred

Reduce a model to lower order.

c2d

Transform from continuous to discrete time.

d2c

Transform from discrete to continuous time.

freqresp

Compute frequency response.

idfrd

Convert idmodel to the IDFRD object that contains frequency functions and spectra.

noisecnv

Convert noise inputs to measured channels

polydata

Compute transfer function polynomials.

ssdata

Compute state-space matrices.

tfdata

Compute transfer functions.

ss, tf, zpk, frd

Conversion of idmodel to the LTI-objects of the Control Systems Toolbox.

zpkdata

Compute zeros, poles, and gains.


  Manipulating Model Structures Model Analysis