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Stability Analysis

Gain and phase margins, pole and zero locations


pole Compute poles of dynamic system
zero Zeros and gain of SISO dynamic system
damp Natural frequency and damping ratio
dsort Sort discrete-time poles by magnitude
esort Sort continuous-time poles by real part
tzero Invariant zeros of linear system
pzplot Pole-zero map of dynamic system model with plot customization options
iopzplot Plot pole-zero map for I/O pairs and return plot handle
allmargin Gain margin, phase margin, delay margin and crossover frequencies
margin Gain margin, phase margin, and crossover frequencies


Pole and Zero Locations

Examine the pole and zero locations of dynamic systems graphically and numerically.

Assessing Gain and Phase Margins

Examine the effect of stability margins on closed-loop response characteristics of a control system.

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