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A discrete-time model cannot be estimated using multi-experiment data with non-unique sample times.

Last post by fyousefi « Tue Mar 02, 2021 4:42 pm

by fyousefi » Tue Mar 02, 2021 4:42 pm

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Last post by fyousefi
Tue Mar 02, 2021 4:42 pm
Estimation of noise model is not supported for frequency domain data.

Last post by fyousefi « Tue Mar 02, 2021 4:42 pm

by fyousefi » Tue Mar 02, 2021 4:42 pm

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535 Views

Last post by fyousefi
Tue Mar 02, 2021 4:42 pm
The value of the "NonlinearRegressors" property is incompatible with the specified data set.

Last post by fyousefi « Tue Mar 02, 2021 4:40 pm

by fyousefi » Tue Mar 02, 2021 4:40 pm

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361 Views

Last post by fyousefi
Tue Mar 02, 2021 4:40 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 4:40 pm

by fyousefi » Tue Mar 02, 2021 4:40 pm

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351 Views

Last post by fyousefi
Tue Mar 02, 2021 4:40 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 4:39 pm

by fyousefi » Tue Mar 02, 2021 4:39 pm

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327 Views

Last post by fyousefi
Tue Mar 02, 2021 4:39 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 4:39 pm

by fyousefi » Tue Mar 02, 2021 4:39 pm

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370 Views

Last post by fyousefi
Tue Mar 02, 2021 4:39 pm
In the command, the value of the property must be specified. Type "help for more information.

Last post by fyousefi « Tue Mar 02, 2021 4:38 pm

by fyousefi » Tue Mar 02, 2021 4:38 pm

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329 Views

Last post by fyousefi
Tue Mar 02, 2021 4:38 pm
The first input argument of the command must be an IDDATA object.

Last post by fyousefi « Tue Mar 02, 2021 4:37 pm

by fyousefi » Tue Mar 02, 2021 4:37 pm

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Last post by fyousefi
Tue Mar 02, 2021 4:37 pm
In the "nlarx(DATA, ORDERS, ...)" command, ORDERS must be an Ny-by-(Ny+ Nu) integer matrix, where Ny and Nu are the num

Last post by fyousefi « Tue Mar 02, 2021 4:36 pm

by fyousefi » Tue Mar 02, 2021 4:36 pm

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351 Views

Last post by fyousefi
Tue Mar 02, 2021 4:36 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 4:35 pm

by fyousefi » Tue Mar 02, 2021 4:35 pm

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319 Views

Last post by fyousefi
Tue Mar 02, 2021 4:35 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 4:34 pm

by fyousefi » Tue Mar 02, 2021 4:34 pm

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348 Views

Last post by fyousefi
Tue Mar 02, 2021 4:34 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 4:34 pm

by fyousefi » Tue Mar 02, 2021 4:34 pm

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364 Views

Last post by fyousefi
Tue Mar 02, 2021 4:34 pm
The output dimension of the nonlinearity estimator is inconsistent with the estimation data.

Last post by fyousefi « Tue Mar 02, 2021 4:33 pm

by fyousefi » Tue Mar 02, 2021 4:33 pm

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323 Views

Last post by fyousefi
Tue Mar 02, 2021 4:33 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 4:33 pm

by fyousefi » Tue Mar 02, 2021 4:33 pm

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323 Views

Last post by fyousefi
Tue Mar 02, 2021 4:33 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 4:33 pm

by fyousefi » Tue Mar 02, 2021 4:33 pm

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302 Views

Last post by fyousefi
Tue Mar 02, 2021 4:33 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 4:32 pm

by fyousefi » Tue Mar 02, 2021 4:32 pm

0 Replies

356 Views

Last post by fyousefi
Tue Mar 02, 2021 4:32 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 4:32 pm

by fyousefi » Tue Mar 02, 2021 4:32 pm

0 Replies

387 Views

Last post by fyousefi
Tue Mar 02, 2021 4:32 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 4:31 pm

by fyousefi » Tue Mar 02, 2021 4:31 pm

0 Replies

332 Views

Last post by fyousefi
Tue Mar 02, 2021 4:31 pm
The value of the algorithm property "MaxSize" must be larger than { number,integer}.

Last post by fyousefi « Tue Mar 02, 2021 4:31 pm

by fyousefi » Tue Mar 02, 2021 4:31 pm

0 Replies

320 Views

Last post by fyousefi
Tue Mar 02, 2021 4:31 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 4:30 pm

by fyousefi » Tue Mar 02, 2021 4:30 pm

0 Replies

329 Views

Last post by fyousefi
Tue Mar 02, 2021 4:30 pm
State space model order must be a positive integer or a vector of such integers.

Last post by fyousefi « Tue Mar 02, 2021 4:30 pm

by fyousefi » Tue Mar 02, 2021 4:30 pm

0 Replies

335 Views

Last post by fyousefi
Tue Mar 02, 2021 4:30 pm
The order determination test failed. Try explicit orders.

Last post by fyousefi « Tue Mar 02, 2021 4:30 pm

by fyousefi » Tue Mar 02, 2021 4:30 pm

0 Replies

285 Views

Last post by fyousefi
Tue Mar 02, 2021 4:30 pm
The order determination test failed. Try explicit orders.

Last post by fyousefi « Tue Mar 02, 2021 4:29 pm

by fyousefi » Tue Mar 02, 2021 4:29 pm

0 Replies

311 Views

Last post by fyousefi
Tue Mar 02, 2021 4:29 pm
For time series data, the orders should be provided as [na nc]. Type "help armax" for more information.

Last post by fyousefi « Tue Mar 02, 2021 4:11 pm

by fyousefi » Tue Mar 02, 2021 4:11 pm

0 Replies

341 Views

Last post by fyousefi
Tue Mar 02, 2021 4:11 pm
Incorrect specification of orders for the "rarmax" command. Use ORDERS = [na nb nc nk]. Type "help armax" for more infor

Last post by fyousefi « Tue Mar 02, 2021 4:08 pm

by fyousefi » Tue Mar 02, 2021 4:08 pm

0 Replies

284 Views

Last post by fyousefi
Tue Mar 02, 2021 4:08 pm

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