Specifications

Table Of Contents
2-7
ssdata, dssdata
Retrieve state-space data (respectively, descriptor
state-space data).
tf
Create a transfer function.
tfdata
Retrieve transfer function data.
zpk
Create a zero-pole-gain model.
zpkdata
Retrieve zero-pole-gain data.
Table 2-2: Converting LTI Models
Command Description
c2d
Continuous- to discrete-time conversion.
d2c
Discrete- to continuous-time conversion.
d2d
Resampling of discrete-time models.
frd
Conversion to an FRD model.
pade
Padé approximation of input delays.
ss
Conversion to state space.
tf
Conversion to transfer function.
zpk
Conversion to zero-pole-gain.
Table 2-1: Creating LTI Models (Continued)
Command Description