Scilab 5.4.0
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- Differential calculus, Integration
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- Linear Algebra
- Interpolation
- CACSD (Computer Aided Control Systems Design)
- Polynomials
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Please note that the recommended version of Scilab is 2025.1.0. This page might be outdated.
However, this page did not exist in the previous stable version.
CACSD (Computer Aided Control Systems Design)
- Format representations and conversions
- abcd — state-space matrices
- cont_frm — transfer to controllable state-space
- dbphi — frequency response to phase and magnitude representation
- des2ss — descriptor to state-space
- des2tf — descriptor to transfer function conversion
- frep2tf — transfer function realization from frequency response
- markp2ss — Markov parameters to state-space
- sm2des — system matrix to descriptor
- sm2ss — system matrix to state-space
- ss2des — (polynomial) state-space to descriptor form
- ss2ss — state-space to state-space conversion, feedback, injection
- ss2tf — conversion from state-space to transfer function
- tf2des — transfer function to descriptor
- tf2ss — transfer to state-space
- Plot and display
- black — Black-Nichols diagram of a linear dynamical system
- bode — Bode plot
- chart — Nichols chart
- evans — Evans root locus
- gainplot — magnitude plot
- hallchart — Draws the Hall chart
- m_circle — plots the complex plane iso-gain contours of y/(1+y) (obsolete)
- nicholschart — Nichols chart
- nyquist — nyquist plot
- phaseplot — frequency phase plot
- sgrid — s-plane grid lines.
- show_margins — display gain and phase margin and associated crossover frequencies
- svplot — singular-value sigma-plot
- zgrid — zgrid plot
- 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
- bstap — hankel approximant
- cainv — Dual of abinv
- calfrq — frequency response discretization
- canon — canonical controllable form
- ccontrg — Central H-infinity continuous time controller
- cls2dls — bilinear transform
- colinout — inner-outer factorization
- colregul — removing poles and zeros at infinity
- 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.
- dcf — double coprime factorization
- ddp — disturbance decoupling
- 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
- 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
- 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
- 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
- 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)
- macglov — Continuous time dynamical systems Mac Farlane Glover problem
- 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
- noisegen — noise generation
- 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
- pol2des — polynomial matrix to descriptor form
- 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
- sident — discrete-time state-space realization and Kalman gain
- sorder — computing the order of a discrete-time system
- specfact — spectral factor
- ssprint — pretty print for linear system
- st_ility — stabilizability test
- stabil — stabilization
- sysfact — system factorization
- syssize — size of state-space system
- time_id — SISO least square identification
- trzeros — transmission zeros and normal rank
- ui_observer — unknown input observer
- unobs — unobservable subspace
- zeropen — zero pencil
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