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Control System Toolbox

Version 6.0 (R14) 05-May-2004

General.

ctrlpref - Set Control System Toolbox preferences.

ltimodels - Detailed help on the various types of LTI models.

ltiprops - Detailed help on available LTI model properties.

Creating linear models.

tf - Create transfer function models.

zpk - Create zero/pole/gain models.

ss, dss - Create state-space models.

frd - Create a frequency response data models.

filt - Specify a digital filter.

lti/set - Set/modify properties of LTI models.

Data extraction.

tfdata - Extract numerator(s) and denominator(s).

zpkdata - Extract zero/pole/gain data.

ssdata - Extract state-space matrices.

dssdata - Descriptor version of SSDATA.

frdata - Extract frequency response data.

lti/get - Access values of LTI model properties.

Conversions.

tf - Conversion to transfer function.

zpk - Conversion to zero/pole/gain.

ss - Conversion to state space.

frd - Conversion to frequency data.

chgunits - Change units of FRD model frequency points.

c2d - Continuous to discrete conversion.

d2c - Discrete to continuous conversion.

d2d - Resample discrete-time model.

System interconnections.

append - Group LTI systems by appending inputs and outputs.

parallel - Generalized parallel connection (see also overloaded +).

series - Generalized series connection (see also overloaded *).

feedback - Feedback connection of two systems.

lft - Generalized feedback interconnection (Redheffer star product).

connect - Derive state-space model from block diagram description. System gain and dynamics.