System Identification Toolbox

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The covariance matrix is not positive definite. This can lead to errors during uncertainty analysis of the model.

Last post by fyousefi « Wed Mar 03, 2021 6:50 am

by fyousefi » Wed Mar 03, 2021 6:50 am

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452 Views

Last post by fyousefi
Wed Mar 03, 2021 6:50 am
The value of the covariance matrix must be a positive semi-definite matrix.

Last post by fyousefi « Wed Mar 03, 2021 6:50 am

by fyousefi » Wed Mar 03, 2021 6:50 am

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Last post by fyousefi
Wed Mar 03, 2021 6:50 am
The command requires options to be specified as name/value pairs. Type "help for more information.

Last post by fyousefi « Wed Mar 03, 2021 6:49 am

by fyousefi » Wed Mar 03, 2021 6:49 am

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439 Views

Last post by fyousefi
Wed Mar 03, 2021 6:49 am
The character vector cannot be used as an input or output channel name.

Last post by fyousefi « Wed Mar 03, 2021 6:48 am

by fyousefi » Wed Mar 03, 2021 6:48 am

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Last post by fyousefi
Wed Mar 03, 2021 6:48 am
Select one or more IDLTI or IDNLMODEL models with at least one input and an IDDATA or FRD object as validation data. All

Last post by fyousefi « Wed Mar 03, 2021 6:47 am

by fyousefi » Wed Mar 03, 2021 6:47 am

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448 Views

Last post by fyousefi
Wed Mar 03, 2021 6:47 am
Select an IDLTI model with at least one input and an IDDATA object with matching number of inputs and, for discrete time

Last post by fyousefi « Wed Mar 03, 2021 6:46 am

by fyousefi » Wed Mar 03, 2021 6:46 am

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460 Views

Last post by fyousefi
Wed Mar 03, 2021 6:46 am
Visualization of nonlinear black-box Hammerstein-Wiener model

Last post by fyousefi « Wed Mar 03, 2021 6:45 am

by fyousefi » Wed Mar 03, 2021 6:45 am

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453 Views

Last post by fyousefi
Wed Mar 03, 2021 6:45 am
Plot zeros and poles with one standard-deviation confidence interval

Last post by fyousefi « Wed Mar 03, 2021 6:45 am

by fyousefi » Wed Mar 03, 2021 6:45 am

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452 Views

Last post by fyousefi
Wed Mar 03, 2021 6:45 am
Select one or more IDLTI models with parameter covariance information.

Last post by fyousefi « Wed Mar 03, 2021 6:44 am

by fyousefi » Wed Mar 03, 2021 6:44 am

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504 Views

Last post by fyousefi
Wed Mar 03, 2021 6:44 am
Plot step response with one standard-deviation confidence interval

Last post by fyousefi « Wed Mar 03, 2021 6:44 am

by fyousefi » Wed Mar 03, 2021 6:44 am

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456 Views

Last post by fyousefi
Wed Mar 03, 2021 6:44 am
Frequency response magnitude and phase for logarithmic frequencies with 1 standard deviation uncertainty band

Last post by fyousefi « Wed Mar 03, 2021 6:43 am

by fyousefi » Wed Mar 03, 2021 6:43 am

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456 Views

Last post by fyousefi
Wed Mar 03, 2021 6:43 am
Select an IDDATA object representing data from a SISO system or a vector time series with two outputs. Alternatively, se

Last post by fyousefi « Wed Mar 03, 2021 6:43 am

by fyousefi » Wed Mar 03, 2021 6:43 am

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707 Views

Last post by fyousefi
Wed Mar 03, 2021 6:43 am
Estimate impulse response using prewhitened-based correlation analysis

Last post by fyousefi « Wed Mar 03, 2021 6:42 am

by fyousefi » Wed Mar 03, 2021 6:42 am

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437 Views

Last post by fyousefi
Wed Mar 03, 2021 6:42 am
Select an IDDATA object with zero inputs and at least two outputs or a real matrix with at least two columns.

Last post by fyousefi « Wed Mar 03, 2021 6:41 am

by fyousefi » Wed Mar 03, 2021 6:41 am

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469 Views

Last post by fyousefi
Wed Mar 03, 2021 6:41 am
Evaluate one-step-ahead vector time series ARX model synthesized using least squares

Last post by fyousefi « Wed Mar 03, 2021 6:41 am

by fyousefi » Wed Mar 03, 2021 6:41 am

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433 Views

Last post by fyousefi
Wed Mar 03, 2021 6:41 am
Select either an IDDATA or FRD object with at least one input, a matrix with at least two columns, or a column vector an

Last post by fyousefi « Wed Mar 03, 2021 6:40 am

by fyousefi » Wed Mar 03, 2021 6:40 am

0 Replies

436 Views

Last post by fyousefi
Wed Mar 03, 2021 6:40 am
Select an IDDATA object with at least one input, a real matrix with at least two columns, or a real column vector and a

Last post by fyousefi « Wed Mar 03, 2021 6:39 am

by fyousefi » Wed Mar 03, 2021 6:39 am

0 Replies

459 Views

Last post by fyousefi
Wed Mar 03, 2021 6:39 am
Evaluate input-output ARX model synthesized using least squares

Last post by fyousefi « Wed Mar 03, 2021 6:39 am

by fyousefi » Wed Mar 03, 2021 6:39 am

0 Replies

419 Views

Last post by fyousefi
Wed Mar 03, 2021 6:39 am
Evaluate input-output ARX model synthesized using least squares

Last post by fyousefi « Wed Mar 03, 2021 6:38 am

by fyousefi » Wed Mar 03, 2021 6:38 am

0 Replies

438 Views

Last post by fyousefi
Wed Mar 03, 2021 6:38 am
Select either an IDDATA or FRD object with at least one input, a matrix with at least two columns, or a column vector an

Last post by fyousefi « Wed Mar 03, 2021 6:38 am

by fyousefi » Wed Mar 03, 2021 6:38 am

0 Replies

554 Views

Last post by fyousefi
Wed Mar 03, 2021 6:38 am
Evaluate state-space model synthesized using subspace methods

Last post by fyousefi « Wed Mar 03, 2021 6:37 am

by fyousefi » Wed Mar 03, 2021 6:37 am

0 Replies

503 Views

Last post by fyousefi
Wed Mar 03, 2021 6:37 am
Estimate state-space model using time or frequency data

Last post by fyousefi « Wed Mar 03, 2021 6:37 am

by fyousefi » Wed Mar 03, 2021 6:37 am

0 Replies

424 Views

Last post by fyousefi
Wed Mar 03, 2021 6:37 am
Identify models of dynamic systems from measured data (systemIdentification)

Last post by fyousefi « Wed Mar 03, 2021 6:36 am

by fyousefi » Wed Mar 03, 2021 6:36 am

0 Replies

397 Views

Last post by fyousefi
Wed Mar 03, 2021 6:36 am
Differences in intersample behavior across inputs cannot be handled by the estimation algorithm. The intersample behavio

Last post by fyousefi « Tue Mar 02, 2021 8:40 pm

by fyousefi » Tue Mar 02, 2021 8:40 pm

0 Replies

426 Views

Last post by fyousefi
Tue Mar 02, 2021 8:40 pm
A parameter specification object (param.Continuous) cannot be used as a value for "InitialState" option. You must parame

Last post by fyousefi « Tue Mar 02, 2021 8:39 pm

by fyousefi » Tue Mar 02, 2021 8:39 pm

0 Replies

381 Views

Last post by fyousefi
Tue Mar 02, 2021 8:39 pm

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