System Identification Toolbox

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In the "IDTF(SYS, TYPE)" command, TYPE must be ''measured'' or ''split''.

Last post by fyousefi « Sat Mar 06, 2021 12:34 pm

by fyousefi » Sat Mar 06, 2021 12:34 pm

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Last post by fyousefi
Sat Mar 06, 2021 12:34 pm
Noise input groups would not convert to noise channels of model. Use the ''split'' input argument for conversion int

Last post by fyousefi « Sat Mar 06, 2021 12:34 pm

by fyousefi » Sat Mar 06, 2021 12:34 pm

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937 Views

Last post by fyousefi
Sat Mar 06, 2021 12:34 pm
In the "IDPOLY(SYS, TYPE)" command, TYPE must be ''measured'' or ''split''.

Last post by fyousefi « Sat Mar 06, 2021 12:32 pm

by fyousefi » Sat Mar 06, 2021 12:32 pm

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936 Views

Last post by fyousefi
Sat Mar 06, 2021 12:32 pm
A model with zero input channels cannot be transformed into an idtf model.

Last post by fyousefi « Sat Mar 06, 2021 12:32 pm

by fyousefi » Sat Mar 06, 2021 12:32 pm

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1000 Views

Last post by fyousefi
Sat Mar 06, 2021 12:32 pm
Continuous-time systems with output delays or irreducible internal delays cannot be converted into models.

Last post by fyousefi « Sat Mar 06, 2021 12:31 pm

by fyousefi » Sat Mar 06, 2021 12:31 pm

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1041 Views

Last post by fyousefi
Sat Mar 06, 2021 12:31 pm
In the (SYS,'split')" command, the last inputs of SYS must have zero delay.

Last post by fyousefi « Sat Mar 06, 2021 12:30 pm

by fyousefi » Sat Mar 06, 2021 12:30 pm

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934 Views

Last post by fyousefi
Sat Mar 06, 2021 12:30 pm
Continuous-time transfer functions with irreducible IO delays cannot be transformed into idss models.

Last post by fyousefi « Sat Mar 06, 2021 12:29 pm

by fyousefi » Sat Mar 06, 2021 12:29 pm

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1008 Views

Last post by fyousefi
Sat Mar 06, 2021 12:29 pm
Internal delays not reducible to input delays will be absorbed into the model's matrices.

Last post by fyousefi « Sat Mar 06, 2021 12:29 pm

by fyousefi » Sat Mar 06, 2021 12:29 pm

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950 Views

Last post by fyousefi
Sat Mar 06, 2021 12:29 pm
In the command, the number of input arguments must be 2 or less.

Last post by fyousefi « Sat Mar 06, 2021 12:28 pm

by fyousefi » Sat Mar 06, 2021 12:28 pm

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973 Views

Last post by fyousefi
Sat Mar 06, 2021 12:28 pm
The merged models show significant differences in their covariance matrices.

Last post by fyousefi « Sat Mar 06, 2021 12:27 pm

by fyousefi » Sat Mar 06, 2021 12:27 pm

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883 Views

Last post by fyousefi
Sat Mar 06, 2021 12:27 pm
The "Notes" property value is ignored because it is not a character vector or a cell array of character vectors.

Last post by fyousefi « Sat Mar 06, 2021 12:26 pm

by fyousefi » Sat Mar 06, 2021 12:26 pm

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942 Views

Last post by fyousefi
Sat Mar 06, 2021 12:26 pm
Output delays will be converted into I/O delays because idfrd object does not support nonzero output delays.

Last post by fyousefi « Sat Mar 06, 2021 12:26 pm

by fyousefi » Sat Mar 06, 2021 12:26 pm

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960 Views

Last post by fyousefi
Sat Mar 06, 2021 12:26 pm
A model satisfying the stability requirements could not be found after 200 trials.

Last post by fyousefi « Sat Mar 06, 2021 12:25 pm

by fyousefi » Sat Mar 06, 2021 12:25 pm

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1015 Views

Last post by fyousefi
Sat Mar 06, 2021 12:25 pm
The second input argument of the "noisecnv" command must be one of ''normalize'' or ''innovations''.

Last post by fyousefi « Sat Mar 06, 2021 12:25 pm

by fyousefi » Sat Mar 06, 2021 12:25 pm

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932 Views

Last post by fyousefi
Sat Mar 06, 2021 12:25 pm
In the "linearize(NLSYS, U0, X0)" command, U0 must be specified as a real, finite vector of length { number,integer}.

Last post by fyousefi « Sat Mar 06, 2021 12:24 pm

by fyousefi » Sat Mar 06, 2021 12:24 pm

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902 Views

Last post by fyousefi
Sat Mar 06, 2021 12:24 pm
The "linapp" command cannot be applied to time series models.

Last post by fyousefi « Sat Mar 06, 2021 12:23 pm

by fyousefi » Sat Mar 06, 2021 12:23 pm

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926 Views

Last post by fyousefi
Sat Mar 06, 2021 12:23 pm
In the "linapp(NLMODEL,UMIN,UMAX,NSAMPLE)" command, UMIN must be smaller than UMAX.

Last post by fyousefi « Sat Mar 06, 2021 12:23 pm

by fyousefi » Sat Mar 06, 2021 12:23 pm

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913 Views

Last post by fyousefi
Sat Mar 06, 2021 12:23 pm
In the "linapp(NLMODEL,UMIN,UMAX,NSAMPLE)" command, {0} must be a vector of length equal to the number of model inputs.

Last post by fyousefi « Sat Mar 06, 2021 12:22 pm

by fyousefi » Sat Mar 06, 2021 12:22 pm

0 Replies

965 Views

Last post by fyousefi
Sat Mar 06, 2021 12:22 pm
In the "linapp(NLMODEL,UMIN,UMAX,NSAMPLE)" command, must be a vector of length equal to the number of model inputs.

Last post by fyousefi « Sat Mar 06, 2021 12:22 pm

by fyousefi » Sat Mar 06, 2021 12:22 pm

0 Replies

920 Views

Last post by fyousefi
Sat Mar 06, 2021 12:22 pm
In the "linapp(NLMODEL,UMIN,UMAX,NSAMPLE)" command, must be a real vector

Last post by fyousefi « Sat Mar 06, 2021 12:21 pm

by fyousefi » Sat Mar 06, 2021 12:21 pm

0 Replies

1073 Views

Last post by fyousefi
Sat Mar 06, 2021 12:21 pm
In the "linapp(NLMODEL,U)" command, input data U must have the same number of inputs as the model NLMODEL.

Last post by fyousefi « Sat Mar 06, 2021 12:20 pm

by fyousefi » Sat Mar 06, 2021 12:20 pm

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932 Views

Last post by fyousefi
Sat Mar 06, 2021 12:20 pm
In the "linapp(NLMODEL,U)" command, input data U must be a real matrix or an IDDATA object.

Last post by fyousefi « Sat Mar 06, 2021 12:19 pm

by fyousefi » Sat Mar 06, 2021 12:19 pm

0 Replies

972 Views

Last post by fyousefi
Sat Mar 06, 2021 12:19 pm
In the "linapp(NLMODEL,UMIN,UMAX,NSAMPLE)" command, NSAMPLE must be a positive integer.

Last post by fyousefi « Sat Mar 06, 2021 12:18 pm

by fyousefi » Sat Mar 06, 2021 12:18 pm

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950 Views

Last post by fyousefi
Sat Mar 06, 2021 12:18 pm
An idtf model can be converted into an idarx model only if it is discrete-time and has all its denominators equal to 1 (

Last post by fyousefi « Sat Mar 06, 2021 12:18 pm

by fyousefi » Sat Mar 06, 2021 12:18 pm

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915 Views

Last post by fyousefi
Sat Mar 06, 2021 12:18 pm
An idpoly model can be converted into an idarx model only if orders nc = nd = nf = 0.

Last post by fyousefi « Sat Mar 06, 2021 12:17 pm

by fyousefi » Sat Mar 06, 2021 12:17 pm

0 Replies

896 Views

Last post by fyousefi
Sat Mar 06, 2021 12:17 pm

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