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State space model order must be a positive integer or a vector of such integers.

Last post by fyousefi « Tue Mar 02, 2021 3:48 pm

by fyousefi » Tue Mar 02, 2021 3:48 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:48 pm
The order determination test failed. Try explicit orders.

Last post by fyousefi « Tue Mar 02, 2021 3:48 pm

by fyousefi » Tue Mar 02, 2021 3:48 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:48 pm
For time-series data, the K-matrix of the state space model must be estimated.

Last post by fyousefi « Tue Mar 02, 2021 3:47 pm

by fyousefi » Tue Mar 02, 2021 3:47 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:47 pm
Estimation problem is ill-conditioned. The reason may be poorly exciting input or too high model order. Try lower order

Last post by fyousefi « Tue Mar 02, 2021 3:43 pm

by fyousefi » Tue Mar 02, 2021 3:43 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:43 pm
The option "nx" must be followed by a positive integer or a vector of positive integers.

Last post by fyousefi « Tue Mar 02, 2021 3:22 pm

by fyousefi » Tue Mar 02, 2021 3:22 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:22 pm
The "ivx" estimation command is not supported for multi-output frequency domain data.

Last post by fyousefi « Tue Mar 02, 2021 3:22 pm

by fyousefi » Tue Mar 02, 2021 3:22 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:22 pm
In the "ivx(DATA, MODEL, X,...)" command, the number of experiments in DATA must match the number of cells in the instru

Last post by fyousefi « Tue Mar 02, 2021 3:21 pm

by fyousefi » Tue Mar 02, 2021 3:21 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:21 pm
Estimation of multi-output ARX models using the command on frequency domain data is not supported. Use the "arx" c

Last post by fyousefi « Tue Mar 02, 2021 3:21 pm

by fyousefi » Tue Mar 02, 2021 3:21 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:21 pm
The second input argument of the "ivar" command must be a real, positive scalar.

Last post by fyousefi « Tue Mar 02, 2021 3:20 pm

by fyousefi » Tue Mar 02, 2021 3:20 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:20 pm
Models containing noise integration on some but not all output channels cannot be estimated using the "iv4" command.

Last post by fyousefi « Tue Mar 02, 2021 3:19 pm

by fyousefi » Tue Mar 02, 2021 3:19 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:19 pm
The "iv4" command cannot be used for time series data. Use the "ivar", "ar" or "arx" command instead.

Last post by fyousefi « Tue Mar 02, 2021 3:19 pm

by fyousefi » Tue Mar 02, 2021 3:19 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:19 pm
The specified orders or initial model do not conform to an ARMAX structure. Type "help armax" for more information.

Last post by fyousefi « Tue Mar 02, 2021 3:18 pm

by fyousefi » Tue Mar 02, 2021 3:18 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:18 pm
The value of the "InitialStates" property must be '{}' (Nx = 0) or an Nx-element cell array of 1-by-Ne finite real vecto

Last post by fyousefi « Tue Mar 02, 2021 3:18 pm

by fyousefi » Tue Mar 02, 2021 3:18 pm

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489 Views

Last post by fyousefi
Tue Mar 02, 2021 3:18 pm
The sizes of all fields of the "InitialStates" property value must be equal when the number of experiments (Ne) is chang

Last post by fyousefi « Tue Mar 02, 2021 3:17 pm

by fyousefi » Tue Mar 02, 2021 3:17 pm

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466 Views

Last post by fyousefi
Tue Mar 02, 2021 3:17 pm
The value of the "InitialStates" property must be [] (Nx = 0), a finite real scalar (Nx = 1), an Nx-by-1 vector or an Nx

Last post by fyousefi « Tue Mar 02, 2021 3:17 pm

by fyousefi » Tue Mar 02, 2021 3:17 pm

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Last post by fyousefi
Tue Mar 02, 2021 3:17 pm
The value of the "Parameters" must be an Npo-element cell array of finite real scalars, vectors or 2-dimensional matrice

Last post by fyousefi « Tue Mar 02, 2021 3:16 pm

by fyousefi » Tue Mar 02, 2021 3:16 pm

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446 Views

Last post by fyousefi
Tue Mar 02, 2021 3:16 pm
The specified value for the "Parameters" property must be consistent in size with its existing value in the model. Use s

Last post by fyousefi « Tue Mar 02, 2021 3:16 pm

by fyousefi » Tue Mar 02, 2021 3:16 pm

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463 Views

Last post by fyousefi
Tue Mar 02, 2021 3:16 pm
The value of the "Parameters" property when specified as a character vector must be ''Zero'', ''Fixed'', ''Estimate'', o

Last post by fyousefi « Tue Mar 02, 2021 3:15 pm

by fyousefi » Tue Mar 02, 2021 3:15 pm

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444 Views

Last post by fyousefi
Tue Mar 02, 2021 3:15 pm
The specified model parameters or states are infeasible for simulation. Verify that the model's ODE file can be

Last post by fyousefi « Tue Mar 02, 2021 3:14 pm

by fyousefi » Tue Mar 02, 2021 3:14 pm

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577 Views

Last post by fyousefi
Tue Mar 02, 2021 3:14 pm
Initialization of the IDPROC model failed. Check that estimation data is sufficiently exciting.

Last post by fyousefi « Tue Mar 02, 2021 3:13 pm

by fyousefi » Tue Mar 02, 2021 3:13 pm

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408 Views

Last post by fyousefi
Tue Mar 02, 2021 3:13 pm
Model initialization failed. Check that the estimation data has sufficient number of samples for the chosen model order.

Last post by fyousefi « Tue Mar 02, 2021 3:13 pm

by fyousefi » Tue Mar 02, 2021 3:13 pm

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440 Views

Last post by fyousefi
Tue Mar 02, 2021 3:13 pm
In the "nlhw(DATA, LINMOD,...)" command, LINMOD must be a discrete-time idpoly, idss, or idtf model.

Last post by fyousefi « Tue Mar 02, 2021 3:12 pm

by fyousefi » Tue Mar 02, 2021 3:12 pm

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407 Views

Last post by fyousefi
Tue Mar 02, 2021 3:12 pm
The input nonlinearity estimator must be specified using a nonlinearity estimator object or a character vector that repr

Last post by fyousefi « Tue Mar 02, 2021 3:12 pm

by fyousefi » Tue Mar 02, 2021 3:12 pm

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408 Views

Last post by fyousefi
Tue Mar 02, 2021 3:12 pm
There are no regressors in the model for one or more outputs. Such as model cannot be estimated. To create regressors, u

Last post by fyousefi « Tue Mar 02, 2021 3:11 pm

by fyousefi » Tue Mar 02, 2021 3:11 pm

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410 Views

Last post by fyousefi
Tue Mar 02, 2021 3:11 pm
The IDNLARX model without any regressors cannot be estimated. To create regressors, use positive values for model orders

Last post by fyousefi « Tue Mar 02, 2021 3:11 pm

by fyousefi » Tue Mar 02, 2021 3:11 pm

0 Replies

445 Views

Last post by fyousefi
Tue Mar 02, 2021 3:11 pm

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