This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English version of the page.

Note: This page has been translated by MathWorks. Click here to see
To view all translated materials including this page, select Country from the country navigator on the bottom of this page.

Data Extraction

Extract numerical data including coefficients and uncertainties, subreferencing, concatenating, and merging models


polydataAccess polynomial coefficients and uncertainties of identified model
ssdataAccess state-space model data
idssdataState-space data of identified system
tfdataAccess transfer function data
zpkdataAccess zero-pole-gain data
frdataAccess data for frequency response data (FRD) object
freqrespFrequency response over grid
getpvecModel parameters and associated uncertainty data
setpvecModify value of model parameters
getcovParameter covariance of identified model
setcovSet parameter covariance data in identified model
getAccess model property values
setSet or modify model properties
nparamsNumber of model parameters
ndimsQuery number of dimensions of dynamic system model or model array
orderQuery model order
poleCompute poles of dynamic system
zeroZeros and gain of SISO dynamic system
sizeQuery output/input/array dimensions of input–output model and number of frequencies of FRD model
dampNatural frequency and damping ratio
dcgainLow-frequency (DC) gain of LTI system
bandwidthFrequency response bandwidth


Extracting Numerical Model Data

Extracting numerical parameter values and uncertainties from linear models.

Was this topic helpful?