Summary: Some Useful Matlab and Control Systems Toolbox Functions
Creating and converting linear models
tf - Create (or convert to) a transfer function model.
zpk - Create (or convert to) a zero/pole/gain model.
ss - Create (or convert to) a state-space model.
feedback - Feedback connection of two systems.
c2d - Continuous to discrete conversion.
d2c - Discrete to continuous conversion.
Model analysis
dcgain - D.C. (low frequency) gain.
bandwidth - System bandwidth.
pole, eig - System poles.
zero - System zeros.
pzmap - Pole-zero map.
damp - Natural frequency and damping of system poles.
ltiview - Response analysis GUI (LTI Viewer).
step - Step response.
impulse - Impulse response.
lsim - Response to arbitrary inputs.
bode - Bode diagrams of the frequency response.

Source: Abate, Alessandro - Faculty of Mechanical, Maritime and Materials Engineering, Technische Universiteit Delft

Collections: Engineering