System Identification Toolbox

New Topic

1431 topics

Page 45 of 58
- Jump to page:
Previous
1
…
43
44
45
46
47
…
58
Next

Topics

Replies

Views

Last post

The sample time of the linear model used for initializing the model must match that of the estimation data.

Last post by fyousefi « Tue Mar 02, 2021 3:10 pm

by fyousefi » Tue Mar 02, 2021 3:10 pm

0 Replies

659 Views

Last post by fyousefi
Tue Mar 02, 2021 3:10 pm
In the "nlarx(DATA, LINMOD, NONLINEARITY,...)" command, LINMOD must be an IDPOLY model.

Last post by fyousefi « Tue Mar 02, 2021 3:10 pm

by fyousefi » Tue Mar 02, 2021 3:10 pm

0 Replies

803 Views

Last post by fyousefi
Tue Mar 02, 2021 3:10 pm
The nonlinearity estimator must be specified using a nonlinearity estimator object or a character vector that represents

Last post by fyousefi « Tue Mar 02, 2021 3:09 pm

by fyousefi » Tue Mar 02, 2021 3:09 pm

0 Replies

727 Views

Last post by fyousefi
Tue Mar 02, 2021 3:09 pm
The "nk" property must have as many elements as there are inputs.

Last post by fyousefi « Tue Mar 02, 2021 3:08 pm

by fyousefi » Tue Mar 02, 2021 3:08 pm

0 Replies

463 Views

Last post by fyousefi
Tue Mar 02, 2021 3:08 pm
The prediction horizon must be larger than the model order.

Last post by fyousefi « Tue Mar 02, 2021 3:08 pm

by fyousefi » Tue Mar 02, 2021 3:08 pm

0 Replies

760 Views

Last post by fyousefi
Tue Mar 02, 2021 3:08 pm
The number of input samples must be same as the length of the frequency vector.

Last post by fyousefi « Tue Mar 02, 2021 3:07 pm

by fyousefi » Tue Mar 02, 2021 3:07 pm

0 Replies

424 Views

Last post by fyousefi
Tue Mar 02, 2021 3:07 pm
The sizes of K and/or E matrices are incompatible with that of the prediction horizon.

Last post by fyousefi « Tue Mar 02, 2021 3:06 pm

by fyousefi » Tue Mar 02, 2021 3:06 pm

0 Replies

468 Views

Last post by fyousefi
Tue Mar 02, 2021 3:06 pm
Parametric models cannot be estimated using frequency response data with no inputs.

Last post by fyousefi « Tue Mar 02, 2021 3:06 pm

by fyousefi » Tue Mar 02, 2021 3:06 pm

0 Replies

751 Views

Last post by fyousefi
Tue Mar 02, 2021 3:06 pm
Time series models (no inputs) cannot be estimated using frequency domain data.

Last post by fyousefi « Tue Mar 02, 2021 3:05 pm

by fyousefi » Tue Mar 02, 2021 3:05 pm

0 Replies

669 Views

Last post by fyousefi
Tue Mar 02, 2021 3:05 pm
When estimation focus is ''simulation'', non differentiable nonlinearity estimators ("treepartition", "neuralnet") canno

Last post by fyousefi « Tue Mar 02, 2021 3:04 pm

by fyousefi » Tue Mar 02, 2021 3:04 pm

0 Replies

414 Views

Last post by fyousefi
Tue Mar 02, 2021 3:04 pm
The weighting filter used for estimation must be stable. Note that the cell array '{'A,B,C,D'}' specification of the fil

Last post by fyousefi « Tue Mar 02, 2021 3:04 pm

by fyousefi » Tue Mar 02, 2021 3:04 pm

0 Replies

459 Views

Last post by fyousefi
Tue Mar 02, 2021 3:04 pm
The weighting filter used for estimation must be stable.

Last post by fyousefi « Tue Mar 02, 2021 3:04 pm

by fyousefi » Tue Mar 02, 2021 3:04 pm

0 Replies

695 Views

Last post by fyousefi
Tue Mar 02, 2021 3:04 pm
The ETFE resolution value must be a positive number greater than 2.

Last post by fyousefi « Tue Mar 02, 2021 3:03 pm

by fyousefi » Tue Mar 02, 2021 3:03 pm

0 Replies

766 Views

Last post by fyousefi
Tue Mar 02, 2021 3:03 pm
Data should be specified using an IDDATA object when there are more than one input or output signals.

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

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

0 Replies

806 Views

Last post by fyousefi
Tue Mar 02, 2021 3:02 pm
The command cannot be used for frequency domain data. Use the "arx" command instead.

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

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

0 Replies

604 Views

Last post by fyousefi
Tue Mar 02, 2021 3:02 pm
The model size is not consistent with the number of columns in the data matrix.

Last post by fyousefi « Tue Mar 02, 2021 3:01 pm

by fyousefi » Tue Mar 02, 2021 3:01 pm

0 Replies

457 Views

Last post by fyousefi
Tue Mar 02, 2021 3:01 pm
The first input argument of the "delayest" command must be an IDDATA object.

Last post by fyousefi « Tue Mar 02, 2021 3:01 pm

by fyousefi » Tue Mar 02, 2021 3:01 pm

0 Replies

416 Views

Last post by fyousefi
Tue Mar 02, 2021 3:01 pm
The combination of delay limits will result in {0,number,integer} delay-combinations, which is more than the allowed num

Last post by fyousefi « Tue Mar 02, 2021 3:00 pm

by fyousefi » Tue Mar 02, 2021 3:00 pm

0 Replies

477 Views

Last post by fyousefi
Tue Mar 02, 2021 3:00 pm
In the "delayest(DATA,NA,NB,NKMIN,NKMAX)" command, NKMIN must be non-negative. Shift data if necessary to look for negat

Last post by fyousefi « Tue Mar 02, 2021 3:00 pm

by fyousefi » Tue Mar 02, 2021 3:00 pm

0 Replies

422 Views

Last post by fyousefi
Tue Mar 02, 2021 3:00 pm
The "delayest" command cannot be used for multi-output data.

Last post by fyousefi « Tue Mar 02, 2021 2:55 pm

by fyousefi » Tue Mar 02, 2021 2:55 pm

0 Replies

802 Views

Last post by fyousefi
Tue Mar 02, 2021 2:55 pm
In the "delayest(DATA,NA,NB,NKMIN,NKMAX)" command, NKMAX must be a row vector of length equal to the number of inputs in

Last post by fyousefi « Tue Mar 02, 2021 2:54 pm

by fyousefi » Tue Mar 02, 2021 2:54 pm

0 Replies

437 Views

Last post by fyousefi
Tue Mar 02, 2021 2:54 pm
In the "delayest(DATA,NA,NB,...)" command, NB must be a row vector of length equal to the number of inputs in DATA.

Last post by fyousefi « Tue Mar 02, 2021 2:54 pm

by fyousefi » Tue Mar 02, 2021 2:54 pm

0 Replies

594 Views

Last post by fyousefi
Tue Mar 02, 2021 2:54 pm
The estimated impulse response is complex. Absolute values will be shown in the plot.

Last post by fyousefi « Tue Mar 02, 2021 2:53 pm

by fyousefi » Tue Mar 02, 2021 2:53 pm

0 Replies

430 Views

Last post by fyousefi
Tue Mar 02, 2021 2:53 pm
The "cra" command cannot be used for a single signal. Use the "covf" command instead.

Last post by fyousefi « Tue Mar 02, 2021 2:53 pm

by fyousefi » Tue Mar 02, 2021 2:53 pm

0 Replies

415 Views

Last post by fyousefi
Tue Mar 02, 2021 2:53 pm
The initial model or the orders specified do not correspond to a Box-Jenkins (BJ) model structure.

Last post by fyousefi « Tue Mar 02, 2021 2:52 pm

by fyousefi » Tue Mar 02, 2021 2:52 pm

0 Replies

368 Views

Last post by fyousefi
Tue Mar 02, 2021 2:52 pm

New Topic

1431 topics

Page 45 of 58
- Jump to page:
Previous
1
…
43
44
45
46
47
…
58
Next

Return to Board Index

Who is online

Users browsing this forum: No registered users and 1 guest

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