System Identification Toolbox

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Incorrect number of data columns specified. It should be equal to the sum of the number of inputs and the number of outp

Last post by fyousefi « Sat Mar 06, 2021 7:09 am

by fyousefi » Sat Mar 06, 2021 7:09 am

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556 Views

Last post by fyousefi
Sat Mar 06, 2021 7:09 am
FIXPAR can be used only for IDSS and IDARX objects.

Last post by fyousefi « Sat Mar 06, 2021 7:09 am

by fyousefi » Sat Mar 06, 2021 7:09 am

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501 Views

Last post by fyousefi
Sat Mar 06, 2021 7:09 am
Only IDPOLY models with nc=nd=nf=0 can be used in FIXPAR.

Last post by fyousefi « Sat Mar 06, 2021 7:08 am

by fyousefi » Sat Mar 06, 2021 7:08 am

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585 Views

Last post by fyousefi
Sat Mar 06, 2021 7:08 am
The length of the new parameter vector does not match the number of matrix entries marked.

Last post by fyousefi « Sat Mar 06, 2021 7:08 am

by fyousefi » Sat Mar 06, 2021 7:08 am

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558 Views

Last post by fyousefi
Sat Mar 06, 2021 7:08 am
The data should be arranged in columns.

Last post by fyousefi « Sat Mar 06, 2021 7:07 am

by fyousefi » Sat Mar 06, 2021 7:07 am

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535 Views

Last post by fyousefi
Sat Mar 06, 2021 7:07 am
The number of inputs and outputs in the data vector is not consistent with the number of observability indices and the n

Last post by fyousefi « Sat Mar 06, 2021 7:06 am

by fyousefi » Sat Mar 06, 2021 7:06 am

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589 Views

Last post by fyousefi
Sat Mar 06, 2021 7:06 am
If you specify a delay structure in DKX, you must give the delay for each input, i.e. DKX must have length 3+no of input

Last post by fyousefi « Sat Mar 06, 2021 7:05 am

by fyousefi » Sat Mar 06, 2021 7:05 am

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542 Views

Last post by fyousefi
Sat Mar 06, 2021 7:05 am
For a time-series model, the K-matrix has to be estimated.

Last post by fyousefi « Sat Mar 06, 2021 7:05 am

by fyousefi » Sat Mar 06, 2021 7:05 am

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535 Views

Last post by fyousefi
Sat Mar 06, 2021 7:05 am
The size of A or B is not consistent with an ARX-model. The number of columns must be a multiple of the number of rows.

Last post by fyousefi « Sat Mar 06, 2021 7:04 am

by fyousefi » Sat Mar 06, 2021 7:04 am

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539 Views

Last post by fyousefi
Sat Mar 06, 2021 7:04 am
The A and the B polynomials must have the same number of rows as the number of outputs.

Last post by fyousefi « Sat Mar 06, 2021 7:03 am

by fyousefi » Sat Mar 06, 2021 7:03 am

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546 Views

Last post by fyousefi
Sat Mar 06, 2021 7:03 am
To change the dimensions of the fields of the "Parameters" property in a consistent way or to fill up its default empty

Last post by fyousefi « Sat Mar 06, 2021 7:02 am

by fyousefi » Sat Mar 06, 2021 7:02 am

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525 Views

Last post by fyousefi
Sat Mar 06, 2021 7:02 am
Linear transfer function matrix corresponding to the orders:

Last post by fyousefi « Sat Mar 06, 2021 7:01 am

by fyousefi » Sat Mar 06, 2021 7:01 am

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504 Views

Last post by fyousefi
Sat Mar 06, 2021 7:01 am
Hammerstein-Wiener model with { number,integer} outputs and 1 input

Last post by fyousefi « Sat Mar 06, 2021 7:01 am

by fyousefi » Sat Mar 06, 2021 7:01 am

0 Replies

492 Views

Last post by fyousefi
Sat Mar 06, 2021 7:01 am
Discrete-time nonlinear grey-box model defined by

Last post by fyousefi « Sat Mar 06, 2021 6:59 am

by fyousefi » Sat Mar 06, 2021 6:59 am

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468 Views

Last post by fyousefi
Sat Mar 06, 2021 6:59 am
Continuous-time nonlinear grey-box model defined by

Last post by fyousefi « Sat Mar 06, 2021 6:59 am

by fyousefi » Sat Mar 06, 2021 6:59 am

0 Replies

506 Views

Last post by fyousefi
Sat Mar 06, 2021 6:59 am
Number of units (wavelets and scaling functions) of the estimator, 'Auto' (default), 'Interactive' or a positive integer

Last post by fyousefi « Sat Mar 06, 2021 6:58 am

by fyousefi » Sat Mar 06, 2021 6:58 am

0 Replies

521 Views

Last post by fyousefi
Sat Mar 06, 2021 6:58 am
Nonlinear ARX model with 1 output and { number,integer} inputs

Last post by fyousefi « Sat Mar 06, 2021 6:57 am

by fyousefi » Sat Mar 06, 2021 6:57 am

0 Replies

514 Views

Last post by fyousefi
Sat Mar 06, 2021 6:57 am
The nonlinearity estimators of this model use all the model regressors. Search for nonlinear regressors is not required.

Last post by fyousefi « Fri Mar 05, 2021 9:53 pm

by fyousefi » Fri Mar 05, 2021 9:53 pm

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518 Views

Last post by fyousefi
Fri Mar 05, 2021 9:53 pm
The linear model initializing the model must be in discrete time.

Last post by fyousefi « Fri Mar 05, 2021 9:52 pm

by fyousefi » Fri Mar 05, 2021 9:52 pm

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503 Views

Last post by fyousefi
Fri Mar 05, 2021 9:52 pm
In the "idnlarx(LINMOD,NONLINEARITY...)" command, LINMOD must be an IDPOLY or an IDARX model.

Last post by fyousefi « Fri Mar 05, 2021 9:51 pm

by fyousefi » Fri Mar 05, 2021 9:51 pm

0 Replies

602 Views

Last post by fyousefi
Fri Mar 05, 2021 9:51 pm
Nonlinearity estimator must be initialized before being evaluated.

Last post by fyousefi « Fri Mar 05, 2021 9:50 pm

by fyousefi » Fri Mar 05, 2021 9:50 pm

0 Replies

553 Views

Last post by fyousefi
Fri Mar 05, 2021 9:50 pm
Model has not been estimated and contains ill-defined parameters. It cannot be simulated.

Last post by fyousefi « Fri Mar 05, 2021 9:50 pm

by fyousefi » Fri Mar 05, 2021 9:50 pm

0 Replies

550 Views

Last post by fyousefi
Fri Mar 05, 2021 9:50 pm
The "set" command must be called for individual entries of an object array.

Last post by fyousefi « Fri Mar 05, 2021 9:49 pm

by fyousefi » Fri Mar 05, 2021 9:49 pm

0 Replies

511 Views

Last post by fyousefi
Fri Mar 05, 2021 9:49 pm
In the "reginfo(na, nb, nk, CS)" command, CS must be a cell array of CUSTOMREG objects.

Last post by fyousefi « Fri Mar 05, 2021 9:49 pm

by fyousefi » Fri Mar 05, 2021 9:49 pm

0 Replies

521 Views

Last post by fyousefi
Fri Mar 05, 2021 9:49 pm
The value of the "CrossTerm" option of the "polyreg" command must be ''on'' or ''off''.

Last post by fyousefi « Fri Mar 05, 2021 9:49 pm

by fyousefi » Fri Mar 05, 2021 9:49 pm

0 Replies

564 Views

Last post by fyousefi
Fri Mar 05, 2021 9:49 pm

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