System Identification Toolbox

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The Idmodel block cannot be used for systems with negative delays.

Last post by fyousefi « Sat Mar 06, 2021 8:26 am

by fyousefi » Sat Mar 06, 2021 8:26 am

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Last post by fyousefi
Sat Mar 06, 2021 8:26 am
The specified model has no noise component. It cannot be simulated with noise. Uncheck the "Add noise" checkbox in the I

Last post by fyousefi « Sat Mar 06, 2021 8:25 am

by fyousefi » Sat Mar 06, 2021 8:25 am

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630 Views

Last post by fyousefi
Sat Mar 06, 2021 8:25 am
The Idmodel block does not handle time series models.

Last post by fyousefi « Sat Mar 06, 2021 8:24 am

by fyousefi » Sat Mar 06, 2021 8:24 am

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585 Views

Last post by fyousefi
Sat Mar 06, 2021 8:24 am
All inputs must have the same intersample behavior in the IDDATA object used as the data source.

Last post by fyousefi « Sat Mar 06, 2021 8:24 am

by fyousefi » Sat Mar 06, 2021 8:24 am

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Last post by fyousefi
Sat Mar 06, 2021 8:24 am
Multi-experiment data cannot be used as an IDDATA source.

Last post by fyousefi « Sat Mar 06, 2021 8:23 am

by fyousefi » Sat Mar 06, 2021 8:23 am

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615 Views

Last post by fyousefi
Sat Mar 06, 2021 8:23 am
A time-domain IDDATA object must be specified in the "IDDATA object" field of the Iddata Source block.

Last post by fyousefi « Sat Mar 06, 2021 8:23 am

by fyousefi » Sat Mar 06, 2021 8:23 am

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Last post by fyousefi
Sat Mar 06, 2021 8:23 am
Accessing Block Library requires Simulink(R).

Last post by fyousefi « Sat Mar 06, 2021 8:22 am

by fyousefi » Sat Mar 06, 2021 8:22 am

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585 Views

Last post by fyousefi
Sat Mar 06, 2021 8:22 am
Same regressor can not be selected for both plot axes.\nChange Regressor 1 or Regressor 2 selection.

Last post by fyousefi « Sat Mar 06, 2021 8:20 am

by fyousefi » Sat Mar 06, 2021 8:20 am

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605 Views

Last post by fyousefi
Sat Mar 06, 2021 8:20 am
NaNs/Infs are not allowed for centerpoint values and will be ignored.

Last post by fyousefi « Sat Mar 06, 2021 8:20 am

by fyousefi » Sat Mar 06, 2021 8:20 am

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587 Views

Last post by fyousefi
Sat Mar 06, 2021 8:20 am
Estimating model coefficients...<br>Iterative update does not apply to this estimation.

Last post by fyousefi « Sat Mar 06, 2021 8:19 am

by fyousefi » Sat Mar 06, 2021 8:19 am

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658 Views

Last post by fyousefi
Sat Mar 06, 2021 8:19 am
Specify initial conditions/states for simulation of each system in the plot

Last post by fyousefi « Sat Mar 06, 2021 8:19 am

by fyousefi » Sat Mar 06, 2021 8:19 am

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644 Views

Last post by fyousefi
Sat Mar 06, 2021 8:19 am
Residual correlation plots cannot be superimposed. Turn hold off or use new axes for plotting.

Last post by fyousefi « Sat Mar 06, 2021 8:18 am

by fyousefi » Sat Mar 06, 2021 8:18 am

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676 Views

Last post by fyousefi
Sat Mar 06, 2021 8:18 am
Model response plots cannot be superimposed. Turn hold off or use new axes for plotting.

Last post by fyousefi « Sat Mar 06, 2021 8:18 am

by fyousefi » Sat Mar 06, 2021 8:18 am

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647 Views

Last post by fyousefi
Sat Mar 06, 2021 8:18 am
The second input argument of the "iddataPlotOptions" command must be ''identpref''.

Last post by fyousefi « Sat Mar 06, 2021 8:18 am

by fyousefi » Sat Mar 06, 2021 8:18 am

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662 Views

Last post by fyousefi
Sat Mar 06, 2021 8:18 am
The first input argument of the "plot" command must be a valid axes handle or an iddata object.

Last post by fyousefi « Sat Mar 06, 2021 8:17 am

by fyousefi » Sat Mar 06, 2021 8:17 am

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655 Views

Last post by fyousefi
Sat Mar 06, 2021 8:17 am
The value of the prediction horizon must be less than { number, integer}.

Last post by fyousefi « Sat Mar 06, 2021 8:17 am

by fyousefi » Sat Mar 06, 2021 8:17 am

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611 Views

Last post by fyousefi
Sat Mar 06, 2021 8:17 am
Specify the prediction horizon as a positive integer less than { number, integer}.

Last post by fyousefi « Sat Mar 06, 2021 8:16 am

by fyousefi » Sat Mar 06, 2021 8:16 am

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610 Views

Last post by fyousefi
Sat Mar 06, 2021 8:16 am
The value of the prediction horizon must be a positive number.

Last post by fyousefi « Sat Mar 06, 2021 8:15 am

by fyousefi » Sat Mar 06, 2021 8:15 am

0 Replies

585 Views

Last post by fyousefi
Sat Mar 06, 2021 8:15 am
The plot generated by "pzplot" or "pzmap" command does not show the confidence regions. Use the "iopzplot" command inste

Last post by fyousefi « Sat Mar 06, 2021 8:14 am

by fyousefi » Sat Mar 06, 2021 8:14 am

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692 Views

Last post by fyousefi
Sat Mar 06, 2021 8:14 am
In the "showConfidence(H,...)" command H must be a scalar plot handle returned by "bodeplot", "stepplot", "impulseplot",

Last post by fyousefi « Sat Mar 06, 2021 8:13 am

by fyousefi » Sat Mar 06, 2021 8:13 am

0 Replies

603 Views

Last post by fyousefi
Sat Mar 06, 2021 8:13 am
In the "showConfidence(H, SD)" command, SD must be a positive and finite real number.

Last post by fyousefi « Sat Mar 06, 2021 8:13 am

by fyousefi » Sat Mar 06, 2021 8:13 am

0 Replies

614 Views

Last post by fyousefi
Sat Mar 06, 2021 8:13 am
The character vector value of the initial condition must be one of:

Last post by fyousefi « Sat Mar 06, 2021 8:12 am

by fyousefi » Sat Mar 06, 2021 8:12 am

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612 Views

Last post by fyousefi
Sat Mar 06, 2021 8:12 am
There are both continuous and discrete-time models in the call to "zpplot" command. Be careful with the interpretation o

Last post by fyousefi « Sat Mar 06, 2021 8:12 am

by fyousefi » Sat Mar 06, 2021 8:12 am

0 Replies

580 Views

Last post by fyousefi
Sat Mar 06, 2021 8:12 am
The "zpplot" command cannot handle frequency response model (idfrd object).

Last post by fyousefi « Sat Mar 06, 2021 8:11 am

by fyousefi » Sat Mar 06, 2021 8:11 am

0 Replies

620 Views

Last post by fyousefi
Sat Mar 06, 2021 8:11 am
The "axis" option of the "zpplot" command must be specified as a positive number or a vector of four numbers.

Last post by fyousefi « Sat Mar 06, 2021 8:11 am

by fyousefi » Sat Mar 06, 2021 8:11 am

0 Replies

657 Views

Last post by fyousefi
Sat Mar 06, 2021 8:11 am

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