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The "d2c" command cannot be used to convert models with an unspecified sampling time (Ts=-1).

Last post by esmatparast « Tue Mar 09, 2021 9:36 am

by esmatparast » Tue Mar 09, 2021 9:36 am

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617 Views

Last post by esmatparast
Tue Mar 09, 2021 9:36 am
The "matched" method of the "d2c" command cannot be used for models with negative real poles with odd multiplicity.

Last post by esmatparast « Tue Mar 09, 2021 9:35 am

by esmatparast » Tue Mar 09, 2021 9:35 am

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601 Views

Last post by esmatparast
Tue Mar 09, 2021 9:35 am
Unable to resample the model for this choice of method and sampling time. Specify a different method or sampling time.

Last post by esmatparast « Tue Mar 09, 2021 9:33 am

by esmatparast » Tue Mar 09, 2021 9:33 am

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617 Views

Last post by esmatparast
Tue Mar 09, 2021 9:33 am
The resampling method of the "d2d" command must be set to 'zoh' or 'tustin'.

Last post by esmatparast « Tue Mar 09, 2021 9:33 am

by esmatparast » Tue Mar 09, 2021 9:33 am

0 Replies

670 Views

Last post by esmatparast
Tue Mar 09, 2021 9:33 am
The conversion method of the "d2c" command must be set to one of the following: 'zoh', 'foh', 'tustin', or 'matched'.

Last post by esmatparast « Tue Mar 09, 2021 9:30 am

by esmatparast » Tue Mar 09, 2021 9:30 am

0 Replies

519 Views

Last post by esmatparast
Tue Mar 09, 2021 9:30 am
The "d2c" command requires a third input argument (critical frequency) when using the "prewarp" method.

Last post by esmatparast « Tue Mar 09, 2021 9:09 am

by esmatparast » Tue Mar 09, 2021 9:09 am

0 Replies

525 Views

Last post by esmatparast
Tue Mar 09, 2021 9:09 am
For sparse models, the "d2c" method must be 'tustin'.

Last post by esmatparast « Tue Mar 09, 2021 9:08 am

by esmatparast » Tue Mar 09, 2021 9:08 am

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628 Views

Last post by esmatparast
Tue Mar 09, 2021 9:08 am
The conjugate model SYS'' is noncausal when SYS has time delays.

Last post by esmatparast « Tue Mar 09, 2021 9:07 am

by esmatparast » Tue Mar 09, 2021 9:07 am

0 Replies

727 Views

Last post by esmatparast
Tue Mar 09, 2021 9:07 am
The "canon" command failed because the controllability matrix is nearly singular.

Last post by esmatparast « Tue Mar 09, 2021 9:07 am

by esmatparast » Tue Mar 09, 2021 9:07 am

0 Replies

684 Views

Last post by esmatparast
Tue Mar 09, 2021 9:07 am
In the "thiran(TAU,Ts)" command, the sampling time Ts must be a positive scalar.

Last post by esmatparast « Tue Mar 09, 2021 9:05 am

by esmatparast » Tue Mar 09, 2021 9:05 am

0 Replies

536 Views

Last post by esmatparast
Tue Mar 09, 2021 9:05 am
Consider using the method since this model was estimated using data with input intersample behavior.

Last post by esmatparast « Tue Mar 09, 2021 9:03 am

by esmatparast » Tue Mar 09, 2021 9:03 am

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582 Views

Last post by esmatparast
Tue Mar 09, 2021 9:03 am
is not supported for MECHSS models. First convert model to SPARSS.

Last post by esmatparast « Tue Mar 09, 2021 9:02 am

by esmatparast » Tue Mar 09, 2021 9:02 am

0 Replies

596 Views

Last post by esmatparast
Tue Mar 09, 2021 9:02 am
The "least-squares" method of the "c2d" command cannot be used for models with internal delays.

Last post by esmatparast « Tue Mar 09, 2021 9:02 am

by esmatparast » Tue Mar 09, 2021 9:02 am

0 Replies

656 Views

Last post by esmatparast
Tue Mar 09, 2021 9:02 am
The third input argument of the "c2d" command must be a character vector or an option set. Type "help c2dOptions" for mo

Last post by esmatparast « Tue Mar 09, 2021 9:01 am

by esmatparast » Tue Mar 09, 2021 9:01 am

0 Replies

566 Views

Last post by esmatparast
Tue Mar 09, 2021 9:01 am
The "FractDelayApproxOrder" option of the "c2d" command must be set to a nonnegative integer.

Last post by esmatparast « Tue Mar 09, 2021 9:01 am

by esmatparast » Tue Mar 09, 2021 9:01 am

0 Replies

598 Views

Last post by esmatparast
Tue Mar 09, 2021 9:01 am
For sparse models, the "c2d" method must be 'tustin' or 'damped'.

Last post by esmatparast « Tue Mar 09, 2021 9:00 am

by esmatparast » Tue Mar 09, 2021 9:00 am

0 Replies

704 Views

Last post by esmatparast
Tue Mar 09, 2021 9:00 am
Unable to discretize the model for this choice of method and sampling time. Specify a different method or sampling time.

Last post by esmatparast « Tue Mar 09, 2021 8:57 am

by esmatparast » Tue Mar 09, 2021 8:57 am

0 Replies

508 Views

Last post by esmatparast
Tue Mar 09, 2021 8:57 am
The "c2d" command requires a fourth input argument (critical frequency) when using the "prewarp" method.

Last post by esmatparast « Tue Mar 09, 2021 8:57 am

by esmatparast » Tue Mar 09, 2021 8:57 am

0 Replies

638 Views

Last post by esmatparast
Tue Mar 09, 2021 8:57 am
The discretization method of the "c2d" command must be set to one of the following: 'zoh', 'foh', 'impulse', 'tustin', '

Last post by esmatparast « Tue Mar 09, 2021 8:55 am

by esmatparast » Tue Mar 09, 2021 8:55 am

0 Replies

723 Views

Last post by esmatparast
Tue Mar 09, 2021 8:55 am
The second input argument of the "c2d" command must be a positive scalar.

Last post by esmatparast « Tue Mar 09, 2021 8:54 am

by esmatparast » Tue Mar 09, 2021 8:54 am

0 Replies

656 Views

Last post by esmatparast
Tue Mar 09, 2021 8:54 am
The "impulse" method of the "c2d" command cannot discretize this class of state-space models with internal delays. Try a

Last post by esmatparast « Tue Mar 09, 2021 8:54 am

by esmatparast » Tue Mar 09, 2021 8:54 am

0 Replies

591 Views

Last post by esmatparast
Tue Mar 09, 2021 8:54 am
The "c2d" command cannot be used for discrete models. Use the "d2d" command to resample the model.

Last post by esmatparast « Tue Mar 09, 2021 8:53 am

by esmatparast » Tue Mar 09, 2021 8:53 am

0 Replies

747 Views

Last post by esmatparast
Tue Mar 09, 2021 8:53 am
The "c2d" command failed because some unstable dynamics with large positive real parts caused overflow. Try reducing the

Last post by esmatparast « Tue Mar 09, 2021 8:53 am

by esmatparast » Tue Mar 09, 2021 8:53 am

0 Replies

800 Views

Last post by esmatparast
Tue Mar 09, 2021 8:53 am
The "damped" method is only available for sparse models (see SPARSS).

Last post by esmatparast « Tue Mar 09, 2021 8:53 am

by esmatparast » Tue Mar 09, 2021 8:53 am

0 Replies

616 Views

Last post by esmatparast
Tue Mar 09, 2021 8:53 am
When "FreqIntervals" exclude the zero frequency, using 'Truncate' as "StateElimMethod" tends to give a better match in t

Last post by esmatparast « Tue Mar 09, 2021 8:51 am

by esmatparast » Tue Mar 09, 2021 8:51 am

0 Replies

558 Views

Last post by esmatparast
Tue Mar 09, 2021 8:51 am

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