CACSD (Computer Aided Control Systems Design)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


+ `abcd`_ state-space matrices
+ `abinv`_ AB invariant subspace
+ `arhnk`_ Hankel norm approximant
+ `arl2`_ SISO model realization by L2 transfer approximation
+ `arma`_ Scilab arma library
+ `arma2p`_ extract polynomial matrices from ar representation
+ `arma2ss`_ transform an armax data structure into state space
  representation.
+ `armac`_ Scilab description of an armax process
+ `armax`_ armax identification
+ `armax1`_ armax identification
+ `arsimul`_ armax simulation
+ `augment`_ augmented plant
+ `balreal`_ balanced realization
+ `bilin`_ general bilinear transform
+ `black`_ Black-Nichols diagram of a linear dynamical system
+ `bode`_ Bode plot
+ `bstap`_ hankel approximant
+ `cainv`_ Dual of abinv
+ `calfrq`_ frequency response discretization
+ `canon`_ canonical controllable form
+ `ccontrg`_ Central H-infinity continuous time controller
+ `chart`_ Nichols chart
+ `cls2dls`_ bilinear transform
+ `colinout`_ inner-outer factorization
+ `colregul`_ removing poles and zeros at infinity
+ `cont_frm`_ transfer to controllable state-space
+ `cont_mat`_ controllability matrix
+ `contr`_ controllability, controllable subspace, staircase
+ `contrss`_ controllable part
+ `copfac`_ right coprime factorization of continuous time dynamical
  systems
+ `csim`_ simulation (time response) of linear system
+ `ctr_gram`_ controllability gramian
+ `damp`_ Natural frequencies and damping factors.
+ `dbphi`_ frequency response to phase and magnitude representation
+ `dcf`_ double coprime factorization
+ `ddp`_ disturbance decoupling
+ `des2ss`_ descriptor to state-space
+ `des2tf`_ descriptor to transfer function conversion
+ `dhinf`_ H_infinity design of discrete-time systems
+ `dhnorm`_ discrete H-infinity norm
+ `dscr`_ discretization of linear system
+ `dsimul`_ state space discrete time simulation
+ `dt_ility`_ detectability test
+ `dtsi`_ Continuous time dynamical systems stable anti-stable
  decomposition
+ `equil`_ balancing of pair of symmetric matrices
+ `equil1`_ balancing (nonnegative) pair of matrices
+ `evans`_ Evans root locus
+ `feedback`_ feedback operation
+ `findABCD`_ discrete-time system subspace identification
+ `findAC`_ discrete-time system subspace identification
+ `findBD`_ initial state and system matrices B and D of a discrete-
  time system
+ `findBDK`_ Kalman gain and B D system matrices of a discrete-time
  system
+ `findR`_ Preprocessor for estimating the matrices of a linear time-
  invariant dynamical system
+ `findx0BD`_ Estimates state and B and D matrices of a discrete-time
  linear system
+ `flts`_ time response (discrete time, sampled system)
+ `fourplan`_ augmented plant to four plants
+ `frep2tf`_ transfer function realization from frequency response
+ `freq`_ frequency response
+ `freson`_ peak frequencies
+ `fspecg`_ stable factorization of continuous time dynamical systems
+ `fstabst`_ Youla's parametrization of continuous time linear
  dynmaical systems
+ `g_margin`_ gain margin and associated crossover frequency
+ `gainplot`_ magnitude plot
+ `gamitg`_ H-infinity gamma iterations for continuous time systems
+ `gcare`_ Continuous time control Riccati equation
+ `gfare`_ Continuous time filter Riccati equation
+ `gfrancis`_ Francis equations for tracking
+ `gtild`_ tilde operation
+ `h2norm`_ H2 norm of a continuous time proper dynamical system
+ `h_cl`_ closed loop matrix
+ `h_inf`_ Continuous time H-infinity (central) controller
+ `h_inf_st`_ static H_infinity problem
+ `h_norm`_ H-infinity norm
+ `hallchart`_ Draws the Hall chart
+ `hankelsv`_ Hankel singular values
+ `hinf`_ H_infinity design of continuous-time systems
+ `imrep2ss`_ state-space realization of an impulse response
+ `inistate`_ Estimates the initial state of a discrete-time system
+ `invsyslin`_ system inversion
+ `kpure`_ continuous SISO system limit feedback gain
+ `krac2`_ continuous SISO system limit feedback gain
+ `lcf`_ Continuous time dynamical systems normalized coprime
  factorization
+ `leqr`_ H-infinity LQ gain (full state)
+ `lft`_ linear fractional transformation
+ `lin`_ linearization
+ `linf`_ infinity norm
+ `linfn`_ infinity norm
+ `linmeq`_ Sylvester and Lyapunov equations solver
+ `lqe`_ linear quadratic estimator (Kalman Filter)
+ `lqg`_ LQG compensator
+ `lqg2stan`_ LQG to standard problem
+ `lqg_ltr`_ LQG with loop transform recovery
+ `lqr`_ LQ compensator (full state)
+ `ltitr`_ discrete time response (state space)
+ `m_circle`_ plots the complex plane iso-gain contours of y/(1+y)
  (obsolete)
+ `macglov`_ Continuous time dynamical systems Mac Farlane Glover
  problem
+ `markp2ss`_ Markov parameters to state-space
+ `minreal`_ minimal balanced realization
+ `minss`_ minimal realization
+ `mucomp`_ mu (structured singular value) calculation
+ `narsimul`_ armax simulation ( using rtitr)
+ `nehari`_ Nehari approximant of continuous time dynamical systems
+ `nicholschart`_ Nichols chart
+ `noisegen`_ noise generation
+ `nyquist`_ nyquist plot
+ `nyquistfrequencybounds`_ Computes the frequencies for which the
  nyquist locus enters and leaves a given rectangle.
+ `obs_gram`_ observability gramian
+ `obscont`_ observer based controller
+ `observer`_ observer design
+ `obsv_mat`_ observability matrix
+ `obsvss`_ observable part
+ `p_margin`_ phase margin and associated crossover frequency
+ `parrot`_ Parrot's problem
+ `pfss`_ partial fraction decomposition
+ `phasemag`_ phase and magnitude computation
+ `phaseplot`_ frequency phase plot
+ `ppol`_ pole placement
+ `prbs_a`_ pseudo random binary sequences generation
+ `projsl`_ linear system projection
+ `reglin`_ Linear regression
+ `repfreq`_ frequency response
+ `ric_desc`_ Riccati equation
+ `ricc`_ Riccati equation
+ `riccati`_ Riccati equation
+ `routh_t`_ Routh's table
+ `rowinout`_ inner-outer factorization
+ `rowregul`_ removing poles and zeros at infinity
+ `rtitr`_ discrete time response (transfer matrix)
+ `sensi`_ sensitivity functions
+ `sgrid`_ s-plane grid lines.
+ `show_margins`_ display gain and phase margin and associated
  crossover frequencies
+ `sident`_ discrete-time state-space realization and Kalman gain
+ `sm2des`_ system matrix to descriptor
+ `sm2ss`_ system matrix to state-space
+ `sorder`_ computing the order of a discrete-time system
+ `specfact`_ spectral factor
+ `ss2des`_ (polynomial) state-space to descriptor form
+ `ss2ss`_ state-space to state-space conversion, feedback, injection
+ `ss2tf`_ conversion from state-space to transfer function
+ `st_ility`_ stabilizability test
+ `stabil`_ stabilization
+ `svplot`_ singular-value sigma-plot
+ `sysfact`_ system factorization
+ `syssize`_ size of state-space system
+ `tf2des`_ transfer function to descriptor
+ `tf2ss`_ transfer to state-space
+ `time_id`_ SISO least square identification
+ `trzeros`_ transmission zeros and normal rank
+ `ui_observer`_ unknown input observer
+ `unobs`_ unobservable subspace
+ `zeropen`_ zero pencil
+ `zgrid`_ zgrid plot


.. _h_norm: h_norm.html
.. _canon: canon.html
.. _ui_observer: ui_observer.html
.. _des2ss: des2ss.html
.. _obs_gram: obs_gram.html
.. _specfact: specfact.html
.. _observer: observer.html
.. _tf2des: tf2des.html
.. _findBDK: findBDK.html
.. _zgrid: zgrid.html
.. _fstabst: fstabst.html
.. _augment: augment.html
.. _dsimul: dsimul.html
.. _lqr: lqr.html
.. _dtsi: dtsi.html
.. _nyquistfrequencybounds: nyquistfrequencybounds.html
.. _lcf: lcf.html
.. _ss2ss: ss2ss.html
.. _contr: contr.html
.. _balreal: balreal.html
.. _evans: evans.html
.. _cainv: cainv.html
.. _gfrancis: gfrancis.html
.. _parrot: parrot.html
.. _colinout: colinout.html
.. _noisegen: noisegen.html
.. _armax1: armax1.html
.. _ss2tf: ss2tf.html
.. _ccontrg: ccontrg.html
.. _invsyslin: invsyslin.html
.. _armac: armac.html
.. _frep2tf: frep2tf.html
.. _chart: chart.html
.. _equil1: equil1.html
.. _ctr_gram: ctr_gram.html
.. _syssize: syssize.html
.. _freq: freq.html
.. _narsimul: narsimul.html
.. _obsv_mat: obsv_mat.html
.. _nicholschart: nicholschart.html
.. _zeropen: zeropen.html
.. _ric_desc: ric_desc.html
.. _imrep2ss: imrep2ss.html
.. _markp2ss: markp2ss.html
.. _linf: linf.html
.. _minreal: minreal.html
.. _nehari: nehari.html
.. _findR: findR.html
.. _stabil: stabil.html
.. _svplot: svplot.html
.. _findBD: findBD.html
.. _ltitr: ltitr.html
.. _cont_frm: cont_frm.html
.. _gtild: gtild.html
.. _projsl: projsl.html
.. _macglov: macglov.html
.. _colregul: colregul.html
.. _bstap: bstap.html
.. _calfrq: calfrq.html
.. _equil: equil.html
.. _gamitg: gamitg.html
.. _gainplot: gainplot.html
.. _ss2des: ss2des.html
.. _freson: freson.html
.. _lqg_ltr: lqg_ltr.html
.. _show_margins: show_margins.html
.. _lin: lin.html
.. _lqe: lqe.html
.. _tf2ss: tf2ss.html
.. _linfn: linfn.html
.. _ddp: ddp.html
.. _repfreq: repfreq.html
.. _dhinf: dhinf.html
.. _lqg: lqg.html
.. _arl2: arl2.html
.. _sm2ss: sm2ss.html
.. _sm2des: sm2des.html
.. _csim: csim.html
.. _contrss: contrss.html
.. _p_margin: p_margin.html
.. _leqr: leqr.html
.. _sensi: sensi.html
.. _st_ility: st_ility.html
.. _hinf: hinf.html
.. _pfss: pfss.html
.. _fspecg: fspecg.html
.. _sident: sident.html
.. _linmeq: linmeq.html
.. _h_inf: h_inf.html
.. _cont_mat: cont_mat.html
.. _h_cl: h_cl.html
.. _gcare: gcare.html
.. _phasemag: phasemag.html
.. _riccati: riccati.html
.. _obsvss: obsvss.html
.. _routh_t: routh_t.html
.. _arma2p: arma2p.html
.. _cls2dls: cls2dls.html
.. _ppol: ppol.html
.. _feedback: feedback.html
.. _time_id: time_id.html
.. _damp: damp.html
.. _m_circle: m_circle.html
.. _minss: minss.html
.. _arma2ss: arma2ss.html
.. _phaseplot: phaseplot.html
.. _dscr: dscr.html
.. _unobs: unobs.html
.. _trzeros: trzeros.html
.. _copfac: copfac.html
.. _black: black.html
.. _bilin: bilin.html
.. _armax: armax.html
.. _krac2: krac2.html
.. _fourplan: fourplan.html
.. _arma: arma.html
.. _reglin: reglin.html
.. _bode: bode.html
.. _inistate: inistate.html
.. _nyquist: nyquist.html
.. _findAC: findAC.html
.. _dcf: dcf.html
.. _sorder: sorder.html
.. _lft: lft.html
.. _h_inf_st: h_inf_st.html
.. _obscont: obscont.html
.. _abcd: abcd.html
.. _hallchart: hallchart.html
.. _hankelsv: hankelsv.html
.. _rowinout: rowinout.html
.. _ricc: ricc.html
.. _findABCD: findABCD.html
.. _arhnk: arhnk.html
.. _prbs_a: prbs_a.html
.. _rtitr: rtitr.html
.. _kpure: kpure.html
.. _lqg2stan: lqg2stan.html
.. _dhnorm: dhnorm.html
.. _sysfact: sysfact.html
.. _dt_ility: dt_ility.html
.. _abinv: abinv.html
.. _des2tf: des2tf.html
.. _flts: flts.html
.. _rowregul: rowregul.html
.. _g_margin: g_margin.html
.. _arsimul: arsimul.html
.. _findx0BD: findx0BD.html
.. _sgrid: sgrid.html
.. _gfare: gfare.html
.. _mucomp: mucomp.html
.. _h2norm: h2norm.html
.. _dbphi: dbphi.html