Contents

Functions -- By Category

Optimization interface routines

doptlti    - Time-domain optimization of discrete-time LTI state
             space models.
foptlti    - Frequency-domain optimization of discrete-time and
             continuous-time LTI state space models.

Optimization functions

lmmore     - More-Hebden trust-region based implementation of the
             Levenberg-Marquardt gradient-search optimization
             algorithm.

Cost-functions

dfunlti    - Cost-function for doptlti.
ffunlti    - Cost-function for foptlti

(De-)parametrization functions

dss2th     - Parametrization of discrete-time models
css2th     - Parametrization of continuous-time models
dth2ss     - De-parametrization of discrete-time models
cth2ss     - De-parametrization of continuous-time models

Miscellaneous support-functions

destmar    - Estimation of a multivariable AR process.
cholicm    - Cholesky-factor of the Inverse Covariance Matrix
             of a multivariable AR process.
mkoptstruc - An empty MATLAB 6 optimization options-structure.
optim5to6  - MATLAB 5 to 6 optimization options conversion.
vaf        - Variance Accounted For between two signals.
prbn       - Pseudo random binary noise.
gbn        - Generalized binary noise test-signal.
shave      - Remove spikes from measured signals.

Low-level calculation routines

ltiitr     - State-trajectory calculation for LTI systems.
ltifrf     - Frequency Response Function calculation for LTI systems.
simlns     - Similarity-map left null-space for the full parametrization.
dltisim    - Simulates a discrete-time LTI state-space system.
ss2frf     - This function calculates the frequency-response function

Time-domain subspace identification functions

dordpo     - Compress data and estimate order for PO-MOESP.
dordpi     - Compress data and estimate order for PI-MOESP.
dordrs     - Compress data and estimate order for RS-MOESP.
dmodpo     - Calculate A and C using PO-MOESP.
dmodpi     - Calculate A and C using PI-MOESP.
dmodrs     - Calculate A and C using RS-MOESP.
dac2b      - Calculate B matrix (assume D is zero).
dac2bd     - Calculate B and D matrices.
dinit      - Calculate initial condition.

Frequency-domain subspace identification functions

fdordom    - Compress data and estimate order for discrete-time models
fcordom    - Compress data and estimate order for continuous-time models
fdmodom    - Calculate A and C for discrete-time models
fcmodom    - Calculate A and C for continuous-time models
fac2b      - Calculate B matrix (assume D is zero)
fac2bd     - Calculate B and D matrices.