System Identification Toolbox

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The first input argument of the "idnlarxopspec" command must be an IDNLARX model.

Last post by fyousefi « Sat Mar 06, 2021 2:42 pm

by fyousefi » Sat Mar 06, 2021 2:42 pm

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986 Views

Last post by fyousefi
Sat Mar 06, 2021 2:42 pm
The input argument of the "iddef" command must be ''algorithm'', ''structpoly'', or ''estimation''.

Last post by fyousefi « Sat Mar 06, 2021 2:42 pm

by fyousefi » Sat Mar 06, 2021 2:42 pm

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922 Views

Last post by fyousefi
Sat Mar 06, 2021 2:42 pm
The specified property name is ambiguous. Specify more characters.

Last post by fyousefi « Sat Mar 06, 2021 2:41 pm

by fyousefi » Sat Mar 06, 2021 2:41 pm

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915 Views

Last post by fyousefi
Sat Mar 06, 2021 2:41 pm
The X0 vector of the state space model must be a column vector of length equal to the model order.

Last post by fyousefi « Sat Mar 06, 2021 2:41 pm

by fyousefi » Sat Mar 06, 2021 2:41 pm

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987 Views

Last post by fyousefi
Sat Mar 06, 2021 2:41 pm
The number of columns in the K matrix of the state space model must equal the number of rows in its C matrix.

Last post by fyousefi « Sat Mar 06, 2021 2:40 pm

by fyousefi » Sat Mar 06, 2021 2:40 pm

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935 Views

Last post by fyousefi
Sat Mar 06, 2021 2:40 pm
The B and D matrices of the state space model must have the same number of columns.

Last post by fyousefi « Sat Mar 06, 2021 2:40 pm

by fyousefi » Sat Mar 06, 2021 2:40 pm

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861 Views

Last post by fyousefi
Sat Mar 06, 2021 2:40 pm
The A matrix of the state space model must be square.

Last post by fyousefi « Sat Mar 06, 2021 2:39 pm

by fyousefi » Sat Mar 06, 2021 2:39 pm

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831 Views

Last post by fyousefi
Sat Mar 06, 2021 2:39 pm
The A and K matrices of the state space model must have the same number of rows.

Last post by fyousefi « Sat Mar 06, 2021 2:39 pm

by fyousefi » Sat Mar 06, 2021 2:39 pm

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952 Views

Last post by fyousefi
Sat Mar 06, 2021 2:39 pm
The A and B matrices of the state space model must have the same number of rows.

Last post by fyousefi « Sat Mar 06, 2021 2:37 pm

by fyousefi » Sat Mar 06, 2021 2:37 pm

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825 Views

Last post by fyousefi
Sat Mar 06, 2021 2:37 pm
Unknown nonlinearity . Jacobian cannot be computed.

Last post by fyousefi « Sat Mar 06, 2021 2:37 pm

by fyousefi » Sat Mar 06, 2021 2:37 pm

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859 Views

Last post by fyousefi
Sat Mar 06, 2021 2:37 pm
Best linear ARX approximation of an IDNLARX model

Last post by fyousefi « Sat Mar 06, 2021 2:36 pm

by fyousefi » Sat Mar 06, 2021 2:36 pm

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840 Views

Last post by fyousefi
Sat Mar 06, 2021 2:36 pm
Invalid optimization options structure specified for the lintan command.

Last post by fyousefi « Sat Mar 06, 2021 2:35 pm

by fyousefi » Sat Mar 06, 2021 2:35 pm

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834 Views

Last post by fyousefi
Sat Mar 06, 2021 2:35 pm
The parameter covariance of the specified model could not be translated into that of its state-space realization.

Last post by fyousefi « Sat Mar 06, 2021 2:34 pm

by fyousefi » Sat Mar 06, 2021 2:34 pm

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758 Views

Last post by fyousefi
Sat Mar 06, 2021 2:34 pm
A time series model converts into an empty model. Consider using the ''augmented'' input argument. See also the ''no

Last post by fyousefi « Sat Mar 06, 2021 2:34 pm

by fyousefi » Sat Mar 06, 2021 2:34 pm

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868 Views

Last post by fyousefi
Sat Mar 06, 2021 2:34 pm
Identified nonlinear models cannot be converted into generalized systems.

Last post by fyousefi « Sat Mar 06, 2021 2:33 pm

by fyousefi » Sat Mar 06, 2021 2:33 pm

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816 Views

Last post by fyousefi
Sat Mar 06, 2021 2:33 pm
Identified nonlinear models cannot be expressed as PID controllers.

Last post by fyousefi « Sat Mar 06, 2021 2:32 pm

by fyousefi » Sat Mar 06, 2021 2:32 pm

0 Replies

815 Views

Last post by fyousefi
Sat Mar 06, 2021 2:32 pm
Models containing NaN-valued parameters cannot be expressed as PID controllers.

Last post by fyousefi « Sat Mar 06, 2021 2:32 pm

by fyousefi » Sat Mar 06, 2021 2:32 pm

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800 Views

Last post by fyousefi
Sat Mar 06, 2021 2:32 pm
Conversion of identified nonlinear models to models is not supported.

Last post by fyousefi « Sat Mar 06, 2021 2:32 pm

by fyousefi » Sat Mar 06, 2021 2:32 pm

0 Replies

930 Views

Last post by fyousefi
Sat Mar 06, 2021 2:32 pm
Only discrete-time idgrey models with FunctionType=''d'' can be time-scaled. Consider converting the model into idss for

Last post by fyousefi « Sat Mar 06, 2021 2:31 pm

by fyousefi » Sat Mar 06, 2021 2:31 pm

0 Replies

805 Views

Last post by fyousefi
Sat Mar 06, 2021 2:31 pm
Model arrays cannot be used as inputs to the "translatecov" command.

Last post by fyousefi « Sat Mar 06, 2021 2:31 pm

by fyousefi » Sat Mar 06, 2021 2:31 pm

0 Replies

843 Views

Last post by fyousefi
Sat Mar 06, 2021 2:31 pm
In the "translatecov(FCN, SYS,...)" command, FCN must be a function handle whose output argument is a single identified

Last post by fyousefi « Sat Mar 06, 2021 2:30 pm

by fyousefi » Sat Mar 06, 2021 2:30 pm

0 Replies

714 Views

Last post by fyousefi
Sat Mar 06, 2021 2:30 pm
Replication of models along I/O dimensions is not supported.

Last post by fyousefi « Sat Mar 06, 2021 2:30 pm

by fyousefi » Sat Mar 06, 2021 2:30 pm

0 Replies

773 Views

Last post by fyousefi
Sat Mar 06, 2021 2:30 pm
The model cannot be converted into continuous-time using the method because it creates an improper noise transfer

Last post by fyousefi « Sat Mar 06, 2021 2:29 pm

by fyousefi » Sat Mar 06, 2021 2:29 pm

0 Replies

748 Views

Last post by fyousefi
Sat Mar 06, 2021 2:29 pm
The "matched" method cannot simultaneously transform both measured and noise components of the model. The noise dynamics

Last post by fyousefi « Sat Mar 06, 2021 2:29 pm

by fyousefi » Sat Mar 06, 2021 2:29 pm

0 Replies

765 Views

Last post by fyousefi
Sat Mar 06, 2021 2:29 pm
The "balred" command is not available for ‌models. Convert the model into idss or ss format, reduce, and convert the

Last post by fyousefi « Sat Mar 06, 2021 2:28 pm

by fyousefi » Sat Mar 06, 2021 2:28 pm

0 Replies

758 Views

Last post by fyousefi
Sat Mar 06, 2021 2:28 pm

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