Function Reference Functions by Category Alphabetical List of Functions acker allmargin append augstate balreal bode bodemag c2d canon care chgunits connect covar ctrb ctrbf d2c d2d damp dare dcgain delay2z dlqr dlyap drss dsort dss dssdata esort estim evalfr feedback filt frd frdata freqresp gensig get gram hasdelay impulse initial interp inv isct, isdt isempty isproper issiso kalman kalmd lft lqgreg lqr lqrd lqry lsim ltimodels ltiprops ltiview lyap margin minreal modred ndims ngrid nichols norm nyquist obsv obsvf ord2 pade parallel place pole pzmap reg reshape rlocus rss series set sgrid sigma sisotool size sminreal ss ss2ss ssbal ssdata stack step tf tfdata totaldelay zero zgrid zpk zpkdata