System Identification Toolbox

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In the "setstruc(M, ModStruc)" command, Modstruc must be a structure with one or more of the following fields: ''As'', '

Last post by fyousefi « Thu Mar 04, 2021 6:15 am

by fyousefi » Thu Mar 04, 2021 6:15 am

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318 Views

Last post by fyousefi
Thu Mar 04, 2021 6:15 am
The value of the "N4Weight" option must be one of ''auto'', ''MOESP'', ''CVA'' or ''SSARX''.

Last post by fyousefi « Thu Mar 04, 2021 6:14 am

by fyousefi » Thu Mar 04, 2021 6:14 am

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314 Views

Last post by fyousefi
Thu Mar 04, 2021 6:14 am
The value of the algorithm property "N4Horizon" must be a column vector or a matrix with 3 columns.

Last post by fyousefi « Thu Mar 04, 2021 6:14 am

by fyousefi » Thu Mar 04, 2021 6:14 am

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348 Views

Last post by fyousefi
Thu Mar 04, 2021 6:14 am
The value of the algorithm property "Focus" must be one of ''Prediction'', ''Simulation'', ''Stability'', or a filter.

Last post by fyousefi « Thu Mar 04, 2021 6:13 am

by fyousefi » Thu Mar 04, 2021 6:13 am

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373 Views

Last post by fyousefi
Thu Mar 04, 2021 6:13 am
The focus filter must be a single-input, single-output model.

Last post by fyousefi « Thu Mar 04, 2021 6:12 am

by fyousefi » Thu Mar 04, 2021 6:12 am

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446 Views

Last post by fyousefi
Thu Mar 04, 2021 6:12 am
The focus filter must be either an LTI object, an IDMODEL object, '{'a,b,c,d'}' or '{'num,den'}'.

Last post by fyousefi « Thu Mar 04, 2021 6:12 am

by fyousefi » Thu Mar 04, 2021 6:12 am

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587 Views

Last post by fyousefi
Thu Mar 04, 2021 6:12 am
The value of the obsolete property "DisturbanceModel" must be a character vector or a cell array containing a character

Last post by fyousefi « Wed Mar 03, 2021 9:24 pm

by fyousefi » Wed Mar 03, 2021 9:24 pm

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Last post by fyousefi
Wed Mar 03, 2021 9:24 pm
The value of the obsolete property "InputLevel" must be a structure. Consider using the "procestOptions" command to spec

Last post by fyousefi « Wed Mar 03, 2021 9:24 pm

by fyousefi » Wed Mar 03, 2021 9:24 pm

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381 Views

Last post by fyousefi
Wed Mar 03, 2021 9:24 pm
The parameter does not exist in the model. Hence its "status" must be ''zero''. Use the "idproc" command to create

Last post by fyousefi « Wed Mar 03, 2021 9:23 pm

by fyousefi » Wed Mar 03, 2021 9:23 pm

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400 Views

Last post by fyousefi
Wed Mar 03, 2021 9:23 pm
The size of the structure matrix must match that of the corresponding state-space matrix.

Last post by fyousefi « Wed Mar 03, 2021 9:22 pm

by fyousefi » Wed Mar 03, 2021 9:22 pm

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351 Views

Last post by fyousefi
Wed Mar 03, 2021 9:22 pm
The value of the idss estimation option "DisturbanceModel" must be ''none'' or ''estimate''.

Last post by fyousefi « Wed Mar 03, 2021 9:21 pm

by fyousefi » Wed Mar 03, 2021 9:21 pm

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338 Views

Last post by fyousefi
Wed Mar 03, 2021 9:21 pm
The value of the "SSParameterization" option must be one of: ''structured'', ''free'', ''canonical'', ''companion'', ''m

Last post by fyousefi « Wed Mar 03, 2021 9:20 pm

by fyousefi » Wed Mar 03, 2021 9:20 pm

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329 Views

Last post by fyousefi
Wed Mar 03, 2021 9:20 pm
For continuous-time models, the value of the "nk" property must be a vector of zeros and ones.

Last post by fyousefi « Wed Mar 03, 2021 9:20 pm

by fyousefi » Wed Mar 03, 2021 9:20 pm

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326 Views

Last post by fyousefi
Wed Mar 03, 2021 9:20 pm
Cannot modify the value of the "X0" property when the models have a varying number of states. Use SYS(:,:,k).X0 to modif

Last post by fyousefi « Wed Mar 03, 2021 9:19 pm

by fyousefi » Wed Mar 03, 2021 9:19 pm

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645 Views

Last post by fyousefi
Wed Mar 03, 2021 9:19 pm
The value of the obsolete property "X0" must be a vector with finite, double values.

Last post by fyousefi « Wed Mar 03, 2021 9:19 pm

by fyousefi » Wed Mar 03, 2021 9:19 pm

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318 Views

Last post by fyousefi
Wed Mar 03, 2021 9:19 pm
Identified state-space model with { number,integer} outputs, { number,integer} inputs, { number,integer} states and {

Last post by fyousefi « Wed Mar 03, 2021 9:18 pm

by fyousefi » Wed Mar 03, 2021 9:18 pm

0 Replies

339 Views

Last post by fyousefi
Wed Mar 03, 2021 9:18 pm
array of polynomial models.\nEach model has { number,integer} outputs, { number,integer} inputs and { number,integ

Last post by fyousefi « Wed Mar 03, 2021 9:16 pm

by fyousefi » Wed Mar 03, 2021 9:16 pm

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375 Views

Last post by fyousefi
Wed Mar 03, 2021 9:16 pm
Polynomial model with { number,integer} outputs, { number,integer} inputs and { number,integer} free parameters.

Last post by fyousefi « Wed Mar 03, 2021 9:15 pm

by fyousefi » Wed Mar 03, 2021 9:15 pm

0 Replies

382 Views

Last post by fyousefi
Wed Mar 03, 2021 9:15 pm
The value of the obsolete property "X0" must have as many rows as there are states in the system.

Last post by fyousefi « Wed Mar 03, 2021 9:12 pm

by fyousefi » Wed Mar 03, 2021 9:12 pm

0 Replies

335 Views

Last post by fyousefi
Wed Mar 03, 2021 9:12 pm
The value of the obsolete property "CanonicalIndices" must be a row vector with as many elements as number of outputs. T

Last post by fyousefi « Wed Mar 03, 2021 9:12 pm

by fyousefi » Wed Mar 03, 2021 9:12 pm

0 Replies

352 Views

Last post by fyousefi
Wed Mar 03, 2021 9:12 pm
The "Variable" property must be set to ''s'' or ''p'' for continuous-time systems, and to ''z^-1'' or ''q^-1'' for discr

Last post by fyousefi « Wed Mar 03, 2021 9:11 pm

by fyousefi » Wed Mar 03, 2021 9:11 pm

0 Replies

428 Views

Last post by fyousefi
Wed Mar 03, 2021 9:11 pm
The values of the "Numerator" and "Denominator" properties must be nonempty numeric row vectors or cell arrays of such v

Last post by fyousefi « Wed Mar 03, 2021 9:10 pm

by fyousefi » Wed Mar 03, 2021 9:10 pm

0 Replies

310 Views

Last post by fyousefi
Wed Mar 03, 2021 9:10 pm
When creating an array of transfer functions with the "idtf" command, the dimensions 3 and above of the Numerator and De

Last post by fyousefi « Wed Mar 03, 2021 9:10 pm

by fyousefi » Wed Mar 03, 2021 9:10 pm

0 Replies

361 Views

Last post by fyousefi
Wed Mar 03, 2021 9:10 pm
The value of the obsolete property "InitialState" must be one of: ''auto'', ''estimate'', ''zero'', ''backcast''.

Last post by fyousefi « Wed Mar 03, 2021 9:09 pm

by fyousefi » Wed Mar 03, 2021 9:09 pm

0 Replies

338 Views

Last post by fyousefi
Wed Mar 03, 2021 9:09 pm
Algorithm option "FixedParameter" is obsolete. Use the "Structure" model property to specify parameter constraints.

Last post by fyousefi « Wed Mar 03, 2021 9:09 pm

by fyousefi » Wed Mar 03, 2021 9:09 pm

0 Replies

408 Views

Last post by fyousefi
Wed Mar 03, 2021 9:09 pm

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