System Identification Toolbox

New Topic

1431 topics

Page 44 of 58
- Jump to page:
Previous
1
…
42
43
44
45
46
…
58
Next

Topics

Replies

Views

Last post

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

0 Replies

392 Views

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

0 Replies

443 Views

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

0 Replies

415 Views

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

0 Replies

420 Views

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

0 Replies

409 Views

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

0 Replies

416 Views

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

0 Replies

429 Views

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

0 Replies

525 Views

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

0 Replies

406 Views

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

0 Replies

413 Views

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

0 Replies

404 Views

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

0 Replies

871 Views

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

0 Replies

451 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

0 Replies

428 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

0 Replies

433 Views

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

0 Replies

407 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

0 Replies

423 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

0 Replies

405 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

0 Replies

530 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

0 Replies

372 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

0 Replies

401 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

0 Replies

372 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

0 Replies

366 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

0 Replies

371 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

407 Views

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

New Topic

1431 topics

Page 44 of 58
- Jump to page:
Previous
1
…
42
43
44
45
46
…
58
Next

Return to Board Index

Who is online

Users browsing this forum: No registered users and 2 guests

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum