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Back to LMFitControlMBS class.

LMFitControlMBS.epsilon as Double

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Step used to calculate the Jacobian, should be slightly larger than the relative error in the user-supplied functions.

(Read and Write property)

LMFitControlMBS.ftol as Double

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Relative error desired in the sum of squares.

Termination occurs when both the actual and predicted relative reductions in the sum of squares are at most ftol.
(Read and Write property)

LMFitControlMBS.gtol as Double

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Orthogonality desired between fvec and its derivs.

Termination occurs when the cosine of the angle between fvec and any column of the Jacobian is at most gtol in absolute value.
(Read and Write property)

LMFitControlMBS.msgfile as FolderItem

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Progress messages will be written to this file.

(Read and Write property)

LMFitControlMBS.m_maxpri as Integer

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
-1, or max number of residuals to print.

(Read and Write property)

LMFitControlMBS.n_maxpri as Integer

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
-1, or max number of parameters to print.

(Read and Write property)

LMFitControlMBS.patience as Integer

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Used to set the maximum number of function evaluations to patience*(number_of_parameters+1).

(Read and Write property)

LMFitControlMBS.scale_diag as Integer

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
If 1, the variables will be rescaled internally.

Recommended value is 1.
(Read and Write property)

LMFitControlMBS.stepbound as Double

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Used in determining the initial step bound.

This bound is set to the product of stepbound and the Euclidean norm of diag*x if nonzero, or else to stepbound itself. In most cases stepbound should lie in the interval (0.1,100.0). Generally, the value 100.0 is recommended.
(Read and Write property)

LMFitControlMBS.verbosity as Integer

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
The verbosity flags.

OR'ed: 1: print some messages; 2: print Jacobian.
(Read and Write property)

Some examples using this property:

LMFitControlMBS.xtol as Double

Type Topic Plugin Version macOS Windows Linux iOS Targets
property LMFit MBS Tools Plugin 20.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Relative error between last two approximations.

Termination occurs when the relative error between two consecutive iterates is at most xtol.
(Read and Write property)

The items on this page are in the following plugins: MBS Tools Plugin.


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