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Bandlimited data is treated as first-order-hold (foh) interpolated data for nonlinear grey box model estimation.

Last post by fyousefi « Tue Mar 02, 2021 4:03 pm

by fyousefi » Tue Mar 02, 2021 4:03 pm

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388 Views

Last post by fyousefi
Tue Mar 02, 2021 4:03 pm
In the "soinitialize(NLOBJ, YVEC, REGMAT,...)" command, YVEC and REGMAT must be real matrices.

Last post by fyousefi « Tue Mar 02, 2021 4:03 pm

by fyousefi » Tue Mar 02, 2021 4:03 pm

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387 Views

Last post by fyousefi
Tue Mar 02, 2021 4:03 pm
Initialization of coefficients of the One-dimensional Polynomial estimator failed. Check that the polynomial degree is n

Last post by fyousefi « Tue Mar 02, 2021 4:03 pm

by fyousefi » Tue Mar 02, 2021 4:03 pm

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414 Views

Last post by fyousefi
Tue Mar 02, 2021 4:03 pm
The model order matrices must have as many rows as there are outputs in the data.

Last post by fyousefi « Tue Mar 02, 2021 4:01 pm

by fyousefi » Tue Mar 02, 2021 4:01 pm

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546 Views

Last post by fyousefi
Tue Mar 02, 2021 4:01 pm
The initial model or the orders specified do not correspond to an Output-Error (OE) model structure.

Last post by fyousefi « Tue Mar 02, 2021 4:00 pm

by fyousefi » Tue Mar 02, 2021 4:00 pm

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395 Views

Last post by fyousefi
Tue Mar 02, 2021 4:00 pm
A discrete-time model cannot be estimated using multi-experiment data with non-unique sample times.

Last post by fyousefi « Tue Mar 02, 2021 3:59 pm

by fyousefi » Tue Mar 02, 2021 3:59 pm

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384 Views

Last post by fyousefi
Tue Mar 02, 2021 3:59 pm
Estimation of noise model is not supported for frequency domain data.

Last post by fyousefi « Tue Mar 02, 2021 3:59 pm

by fyousefi » Tue Mar 02, 2021 3:59 pm

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474 Views

Last post by fyousefi
Tue Mar 02, 2021 3:59 pm
The value of the "NonlinearRegressors" property is incompatible with the specified data set.

Last post by fyousefi « Tue Mar 02, 2021 3:58 pm

by fyousefi » Tue Mar 02, 2021 3:58 pm

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386 Views

Last post by fyousefi
Tue Mar 02, 2021 3:58 pm
In the "nlhw(DATA, ORDERS, ...)" command, ORDERS must be an Ny-by-3*Nu integer matrix, where Ny and Nu are the number of

Last post by fyousefi « Tue Mar 02, 2021 3:58 pm

by fyousefi » Tue Mar 02, 2021 3:58 pm

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406 Views

Last post by fyousefi
Tue Mar 02, 2021 3:58 pm
Input nonlinearity estimator must be specified in the "nlhw" command. Use ''unitgain'' to denote absence of nonlinearity

Last post by fyousefi « Tue Mar 02, 2021 3:57 pm

by fyousefi » Tue Mar 02, 2021 3:57 pm

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447 Views

Last post by fyousefi
Tue Mar 02, 2021 3:57 pm
Model orders for the command cannot be specified using both the orders vector as well as property-value pairs.

Last post by fyousefi « Tue Mar 02, 2021 3:56 pm

by fyousefi » Tue Mar 02, 2021 3:56 pm

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372 Views

Last post by fyousefi
Tue Mar 02, 2021 3:56 pm
The first input argument of the command must be an IDDATA object.

Last post by fyousefi « Tue Mar 02, 2021 3:55 pm

by fyousefi » Tue Mar 02, 2021 3:55 pm

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407 Views

Last post by fyousefi
Tue Mar 02, 2021 3:55 pm
In the "nlarx(DATA, ORDERS, ...)" command, ORDERS must be an Ny-by-(Ny+2*Nu) integer matrix, where Ny and Nu are the num

Last post by fyousefi « Tue Mar 02, 2021 3:55 pm

by fyousefi » Tue Mar 02, 2021 3:55 pm

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416 Views

Last post by fyousefi
Tue Mar 02, 2021 3:55 pm
The number of model outputs implied by the specified orders does not match the length of the nonlinearity estimator vect

Last post by fyousefi « Tue Mar 02, 2021 3:54 pm

by fyousefi » Tue Mar 02, 2021 3:54 pm

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382 Views

Last post by fyousefi
Tue Mar 02, 2021 3:54 pm
A nonlinearity estimator must be specified in the "nlarx" command. Use ''linear'' to denote absence of nonlinearity.

Last post by fyousefi « Tue Mar 02, 2021 3:54 pm

by fyousefi » Tue Mar 02, 2021 3:54 pm

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421 Views

Last post by fyousefi
Tue Mar 02, 2021 3:54 pm
Nonlinearity estimator for the "nlarx" command cannot be specified using both a regular input argument as well as a prop

Last post by fyousefi « Tue Mar 02, 2021 3:53 pm

by fyousefi » Tue Mar 02, 2021 3:53 pm

0 Replies

434 Views

Last post by fyousefi
Tue Mar 02, 2021 3:53 pm
The input dimension of the nonlinearity estimator is inconsistent with the estimation data.

Last post by fyousefi « Tue Mar 02, 2021 3:53 pm

by fyousefi » Tue Mar 02, 2021 3:53 pm

0 Replies

369 Views

Last post by fyousefi
Tue Mar 02, 2021 3:53 pm
The output dimension of the nonlinearity estimator is inconsistent with the estimation data.

Last post by fyousefi « Tue Mar 02, 2021 3:52 pm

by fyousefi » Tue Mar 02, 2021 3:52 pm

0 Replies

363 Views

Last post by fyousefi
Tue Mar 02, 2021 3:52 pm
The third input argument of "idnlfun/estimate" method must be a cell array of real matrices.

Last post by fyousefi « Tue Mar 02, 2021 3:51 pm

by fyousefi » Tue Mar 02, 2021 3:51 pm

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361 Views

Last post by fyousefi
Tue Mar 02, 2021 3:51 pm
The second input argument of the "idnlfun/estimate" method must be a cell array of real matrices.

Last post by fyousefi « Tue Mar 02, 2021 3:51 pm

by fyousefi » Tue Mar 02, 2021 3:51 pm

0 Replies

367 Views

Last post by fyousefi
Tue Mar 02, 2021 3:51 pm
In the "cra(Z,M)" command, the number of lags M must be a positive integer.

Last post by fyousefi « Tue Mar 02, 2021 3:51 pm

by fyousefi » Tue Mar 02, 2021 3:51 pm

0 Replies

366 Views

Last post by fyousefi
Tue Mar 02, 2021 3:51 pm
The order selection feature cannot be used when N4Horizon has several rows. Specify a scalar value of model order or a r

Last post by fyousefi « Tue Mar 02, 2021 3:50 pm

by fyousefi » Tue Mar 02, 2021 3:50 pm

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387 Views

Last post by fyousefi
Tue Mar 02, 2021 3:50 pm
The "n4sid" command cannot be used for estimation of time series models using frequency domain data.

Last post by fyousefi « Tue Mar 02, 2021 3:50 pm

by fyousefi » Tue Mar 02, 2021 3:50 pm

0 Replies

361 Views

Last post by fyousefi
Tue Mar 02, 2021 3:50 pm
The value of the algorithm property "MaxSize" must be larger than { number,integer}.

Last post by fyousefi « Tue Mar 02, 2021 3:49 pm

by fyousefi » Tue Mar 02, 2021 3:49 pm

0 Replies

355 Views

Last post by fyousefi
Tue Mar 02, 2021 3:49 pm
Model estimation failed. Check that the estimation data is sufficiently exciting. Type "help iddata/advice" for more inf

Last post by fyousefi « Tue Mar 02, 2021 3:49 pm

by fyousefi » Tue Mar 02, 2021 3:49 pm

0 Replies

350 Views

Last post by fyousefi
Tue Mar 02, 2021 3:49 pm

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