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TrustRegionMinimizerBase Class

Provides the shared implementation for trust-region based minimizers.
Inheritance Hierarchy

Namespace: Altaxo.Calc.Optimization.TrustRegion
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3572.0 (4.8.3572.0)
Syntax
C#
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public abstract class TrustRegionMinimizerBase : NonlinearMinimizerBase

The TrustRegionMinimizerBase type exposes the following members.

Constructors
 NameDescription
Public methodTrustRegionMinimizerBase Initializes a new instance of the TrustRegionMinimizerBase class.
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Properties
 NameDescription
Public propertyFunctionTolerance The stopping threshold for the function value or L2 norm of the residuals.
(Inherited from NonlinearMinimizerBase)
Public propertyGradientTolerance The stopping threshold for infinity norm of the gradient.
(Inherited from NonlinearMinimizerBase)
Public propertyLowerBound The lower bound of the parameters.
(Inherited from NonlinearMinimizerBase)
Public propertyMaximumIterations The maximum number of iterations.
(Inherited from NonlinearMinimizerBase)
Public propertyRadiusTolerance The stopping threshold for the trust region radius.
Public propertyScales The scale factors for the parameters.
(Inherited from NonlinearMinimizerBase)
Public propertyStepTolerance The stopping threshold for L2 norm of the change of the parameters.
(Inherited from NonlinearMinimizerBase)
Public propertyUpperBound The upper bound of the parameters.
(Inherited from NonlinearMinimizerBase)
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Methods
 NameDescription
Public methodEqualsDetermines whether the specified object is equal to the current object.
(Inherited from Object)
Protected methodEvaluateFunction Evaluates the objective function at the specified internal parameters.
(Inherited from NonlinearMinimizerBase)
Protected methodEvaluateJacobian Evaluates gradient and Hessian information for the specified internal parameters.
(Inherited from NonlinearMinimizerBase)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object)
Public methodFindMinimum(IObjectiveModel, VectorDouble, VectorDouble, VectorDouble, VectorDouble, ListBoolean) Finds a minimum of the specified objective model.
Public methodFindMinimum(IObjectiveModel, Double, Double, Double, Double, Boolean) Finds a minimum of the specified objective model.
Public methodGetHashCodeServes as the default hash function.
(Inherited from Object)
Public methodGetTypeGets the Type of the current instance.
(Inherited from Object)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object.
(Inherited from Object)
Public methodMinimum Non-linear least square fitting by the trust-region algorithm.
Protected methodProjectToExternalParameters Projects internal parameters into the external parameter space.
(Inherited from NonlinearMinimizerBase)
Protected methodProjectToInternalParameters Projects external parameters into the internal optimization space.
(Inherited from NonlinearMinimizerBase)
Protected methodScaleFactorsOfJacobian Gets the Jacobian scale factors for the specified internal parameters.
(Inherited from NonlinearMinimizerBase)
Public methodToStringReturns a string that represents the current object.
(Inherited from Object)
Protected methodValidateBounds Validates parameter bounds and scales.
(Inherited from NonlinearMinimizerBase)
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Fields
 NameDescription
Public fieldSubproblem The trust region subproblem.
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See Also