System Identification Toolbox

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Error in data types. The input signals u and y must have the same data type. Currently the data type of u is and y i

Last post by fyousefi « Sat Mar 06, 2021 11:04 am

by fyousefi » Sat Mar 06, 2021 11:04 am

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717 Views

Last post by fyousefi
Sat Mar 06, 2021 11:04 am
Error in property dimensions. The number of elements in the InitialParameters property must match with the value o

Last post by fyousefi « Sat Mar 06, 2021 11:02 am

by fyousefi » Sat Mar 06, 2021 11:02 am

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753 Views

Last post by fyousefi
Sat Mar 06, 2021 11:02 am
Expected "InitialOutputs" to have { number,integer} elements ("WindowLength" plus the number of parameters in A(q)), bu

Last post by fyousefi « Sat Mar 06, 2021 11:00 am

by fyousefi » Sat Mar 06, 2021 11:00 am

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686 Views

Last post by fyousefi
Sat Mar 06, 2021 11:00 am
The block is configured to have zero inputs, i.e. empty B(q) polynomial. Consider using the AR or ARMA model structures

Last post by fyousefi « Sat Mar 06, 2021 10:59 am

by fyousefi » Sat Mar 06, 2021 10:59 am

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746 Views

Last post by fyousefi
Sat Mar 06, 2021 10:59 am
The block is configured to estimate zero parameters. Check the number of parameters set in the block dialog if the "Init

Last post by fyousefi « Sat Mar 06, 2021 10:57 am

by fyousefi » Sat Mar 06, 2021 10:57 am

0 Replies

657 Views

Last post by fyousefi
Sat Mar 06, 2021 10:57 am
Initial C(q)" polynomial must be stable, i.e. have all its roots inside the un

Last post by fyousefi « Sat Mar 06, 2021 10:57 am

by fyousefi » Sat Mar 06, 2021 10:57 am

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675 Views

Last post by fyousefi
Sat Mar 06, 2021 10:57 am
The chosen model structure can only be estimated with a minimum ‌ step input time-delay for each model input. Specify

Last post by fyousefi « Sat Mar 06, 2021 10:56 am

by fyousefi » Sat Mar 06, 2021 10:56 am

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677 Views

Last post by fyousefi
Sat Mar 06, 2021 10:56 am
Unexpected number of elements in the "Input Delay (nk)" setting. nk must be a vector with elements, which is the num

Last post by fyousefi « Sat Mar 06, 2021 10:56 am

by fyousefi » Sat Mar 06, 2021 10:56 am

0 Replies

785 Views

Last post by fyousefi
Sat Mar 06, 2021 10:56 am
Initial B(q) cannot contain any rows that are all zeros.

Last post by fyousefi « Sat Mar 06, 2021 10:55 am

by fyousefi » Sat Mar 06, 2021 10:55 am

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675 Views

Last post by fyousefi
Sat Mar 06, 2021 10:55 am
"Initial B(q)" must be a row vector, a matrix or a 1-dimensional cell array in row orientation, containing row vectors.

Last post by fyousefi « Sat Mar 06, 2021 10:55 am

by fyousefi » Sat Mar 06, 2021 10:55 am

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701 Views

Last post by fyousefi
Sat Mar 06, 2021 10:55 am
The Idmodel block cannot be used for arrays of models.

Last post by fyousefi « Sat Mar 06, 2021 10:54 am

by fyousefi » Sat Mar 06, 2021 10:54 am

0 Replies

667 Views

Last post by fyousefi
Sat Mar 06, 2021 10:54 am
The "IDDATA Name" parameter of an Iddata Sink block must be a valid variable name.

Last post by fyousefi « Sat Mar 06, 2021 10:54 am

by fyousefi » Sat Mar 06, 2021 10:54 am

0 Replies

672 Views

Last post by fyousefi
Sat Mar 06, 2021 10:54 am
In the "utSimNonlin(SYS,X)" command, SYS must be a NEURALNET or CUSTOMNET object.

Last post by fyousefi « Sat Mar 06, 2021 10:53 am

by fyousefi » Sat Mar 06, 2021 10:53 am

0 Replies

647 Views

Last post by fyousefi
Sat Mar 06, 2021 10:53 am
Unknown nonlinearity of type found in the model.

Last post by fyousefi « Sat Mar 06, 2021 10:53 am

by fyousefi » Sat Mar 06, 2021 10:53 am

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664 Views

Last post by fyousefi
Sat Mar 06, 2021 10:53 am
The number of points in the buffer must be more than the plot frequency.

Last post by fyousefi « Sat Mar 06, 2021 10:52 am

by fyousefi » Sat Mar 06, 2021 10:52 am

0 Replies

678 Views

Last post by fyousefi
Sat Mar 06, 2021 10:52 am
A valid model ({ object) must be provided for parameter "Model".

Last post by fyousefi « Sat Mar 06, 2021 10:52 am

by fyousefi » Sat Mar 06, 2021 10:52 am

0 Replies

598 Views

Last post by fyousefi
Sat Mar 06, 2021 10:52 am
The model name must be empty or a character vector without quotes.

Last post by fyousefi « Sat Mar 06, 2021 10:51 am

by fyousefi » Sat Mar 06, 2021 10:51 am

0 Replies

621 Views

Last post by fyousefi
Sat Mar 06, 2021 10:51 am
Incorrect number of initial state values specified. Enter a vector of length { number,integer}.

Last post by fyousefi « Sat Mar 06, 2021 10:50 am

by fyousefi » Sat Mar 06, 2021 10:50 am

0 Replies

647 Views

Last post by fyousefi
Sat Mar 06, 2021 10:50 am
Simulation returned non-finite output values. Make sure that the ODE function returns finite, real values for the

Last post by fyousefi « Sat Mar 06, 2021 10:50 am

by fyousefi » Sat Mar 06, 2021 10:50 am

0 Replies

757 Views

Last post by fyousefi
Sat Mar 06, 2021 10:50 am
Simulation returned non-finite state derivative values. Make sure that the ODE function returns finite, real value

Last post by fyousefi « Sat Mar 06, 2021 10:49 am

by fyousefi » Sat Mar 06, 2021 10:49 am

0 Replies

674 Views

Last post by fyousefi
Sat Mar 06, 2021 10:49 am
The IDNLGREY Model variable must be a valid IDNLGREY object.

Last post by fyousefi « Sat Mar 06, 2021 10:48 am

by fyousefi » Sat Mar 06, 2021 10:48 am

0 Replies

703 Views

Last post by fyousefi
Sat Mar 06, 2021 10:48 am
Incorrect specification for level. Use a real scalar.

Last post by fyousefi « Sat Mar 06, 2021 10:48 am

by fyousefi » Sat Mar 06, 2021 10:48 am

0 Replies

609 Views

Last post by fyousefi
Sat Mar 06, 2021 10:48 am
Initial state must be a real vector of length { number,integer}.

Last post by fyousefi « Sat Mar 06, 2021 10:47 am

by fyousefi » Sat Mar 06, 2021 10:47 am

0 Replies

638 Views

Last post by fyousefi
Sat Mar 06, 2021 10:47 am
The noise seeds, if specified, must be a numerical vector containing { number,integer} elements.

Last post by fyousefi « Sat Mar 06, 2021 10:46 am

by fyousefi » Sat Mar 06, 2021 10:46 am

0 Replies

600 Views

Last post by fyousefi
Sat Mar 06, 2021 10:46 am
The length of the initial state vector does not match the number of states in the model. Using zero initial state instea

Last post by fyousefi « Sat Mar 06, 2021 10:45 am

by fyousefi » Sat Mar 06, 2021 10:45 am

0 Replies

642 Views

Last post by fyousefi
Sat Mar 06, 2021 10:45 am

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