Extreme Optimization™: Complexity made simple.

Math and Statistics
Libraries for .NET

  • Home
  • Features
    • Math Library
    • Vector and Matrix Library
    • Statistics Library
    • Performance
    • Usability
  • Documentation
    • Introduction
    • Math Library User's Guide
    • Vector and Matrix Library User's Guide
    • Data Analysis Library User's Guide
    • Statistics Library User's Guide
    • Reference
  • Resources
    • Downloads
    • QuickStart Samples
    • Sample Applications
    • Frequently Asked Questions
    • Technical Support
  • Blog
  • Order
  • Company
    • About us
    • Testimonials
    • Customers
    • Press Releases
    • Careers
    • Partners
    • Contact us
Introduction
Deployment Guide
Nuget packages
Configuration
Using Parallelism
Expand Mathematics Library User's GuideMathematics Library User's Guide
Expand Vector and Matrix Library User's GuideVector and Matrix Library User's Guide
Expand Data Analysis Library User's GuideData Analysis Library User's Guide
Expand Statistics Library User's GuideStatistics Library User's Guide
Expand Data Access Library User's GuideData Access Library User's Guide
Expand ReferenceReference
  • Extreme Optimization
    • Features
    • Solutions
    • Documentation
    • QuickStart Samples
    • Sample Applications
    • Downloads
    • Technical Support
    • Download trial
    • How to buy
    • Blog
    • Company
    • Resources
  • Documentation
    • Introduction
    • Deployment Guide
    • Nuget packages
    • Configuration
    • Using Parallelism
    • Mathematics Library User's Guide
    • Vector and Matrix Library User's Guide
    • Data Analysis Library User's Guide
    • Statistics Library User's Guide
    • Data Access Library User's Guide
    • Reference
  • Reference
    • Extreme
    • Extreme.Collections
    • Extreme.Data
    • Extreme.Data.Json
    • Extreme.Data.Matlab
    • Extreme.Data.R
    • Extreme.Data.Stata
    • Extreme.Data.Text
    • Extreme.DataAnalysis
    • Extreme.DataAnalysis.Linq
    • Extreme.DataAnalysis.Models
    • Extreme.Mathematics
    • Extreme.Mathematics.Algorithms
    • Extreme.Mathematics.Calculus
    • Extreme.Mathematics.Calculus.OrdinaryDifferentialEquations
    • Extreme.Mathematics.Curves
    • Extreme.Mathematics.Curves.Nonlinear
    • Extreme.Mathematics.Distributed
    • Extreme.Mathematics.EquationSolvers
    • Extreme.Mathematics.Generic
    • Extreme.Mathematics.LinearAlgebra
    • Extreme.Mathematics.LinearAlgebra.Implementation
    • Extreme.Mathematics.LinearAlgebra.IterativeSolvers
    • Extreme.Mathematics.LinearAlgebra.IterativeSolvers.Preconditioners
    • Extreme.Mathematics.Optimization
    • Extreme.Mathematics.Optimization.LineSearches
    • Extreme.Mathematics.Random
    • Extreme.Mathematics.SignalProcessing
    • Extreme.Providers
    • Extreme.Providers.InteropServices
    • Extreme.Statistics
    • Extreme.Statistics.Distributions
    • Extreme.Statistics.Multivariate
    • Extreme.Statistics.Tests
    • Extreme.Statistics.TimeSeriesAnalysis
  • Extreme.Mathematics.Optimization
    • BoundedQuasiNewtonOptimizer Class
    • BrentDerivativeOptimizer Class
    • BrentOptimizer Class
    • ConjugateGradientMethod Enumeration
    • ConjugateGradientOptimizer Class
    • Constraint Class
    • ConstraintCollection Class
    • ConstraintType Enumeration
    • DecisionVariable Class
    • DecisionVariableCollection Class
    • DirectionalOptimizer Class
    • ExtremumType Enumeration
    • GoldenSectionOptimizer Class
    • LeastSquaresOptimizer Class
    • LevenbergMarquardtOptimizer Class
    • LimitedMemoryBfgsOptimizer Class
    • LinearConstraint Class
    • LinearProgram Class
    • LinearProgramConstraint Class
    • LinearProgramSolver Class
    • LinearProgramVariable Class
    • MpsReader Class
    • MultidimensionalOptimizer Class
    • NelderMeadOptimizer Class
    • NonlinearConstraint Class
    • NonlinearProgram Class
    • OneDimensionalOptimizer Class
    • OptimizationModel Class
    • OptimizationModelEntity Class
    • OptimizationModelSolver(T) Class
    • OptimizationModelStatus Enumeration
    • OptimizationSolutionReport Class
    • PowellOptimizer Class
    • QuadraticProgram Class
    • QuasiNewtonMethod Enumeration
    • QuasiNewtonOptimizer Class
    • TrustRegionReflectiveOptimizer Class
  • LeastSquaresOptimizer Class
    • LeastSquaresOptimizer Constructor
    • Properties
    • Methods
  • Properties
    • Dimensions Property
    • Extremum Property
    • GradientTest Property
    • GradientVector Property
    • InitialGuess Property
    • InitialTrustRegionSize Property
    • JacobianEvaluationsNeeded Property
    • JacobianFunction Property
    • LastCorrection Property
    • LowerBounds Property
    • Minimum Property
    • MinimumValue Property
    • NumberOfFunctions Property
    • ObjectiveFunction Property
    • SolutionTest Property
    • UpperBounds Property
    • ValueAtExtremum Property
    • ValueTest Property
    • VarianceCovarianceMatrix Property
  • InitialTrustRegionSize Property

LeastSquaresOptimizerInitialTrustRegionSize Property

Extreme Optimization Numerical Libraries for .NET Professional
Gets or sets the initial size of the trust region.

Namespace:  Extreme.Mathematics.Optimization
Assembly:  Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
Syntax

C#
VB
C++
F#
Copy
public double InitialTrustRegionSize { get; set; }
Public Property InitialTrustRegionSize As Double
	Get
	Set
public:
property double InitialTrustRegionSize {
	double get ();
	void set (double value);
}
member InitialTrustRegionSize : float with get, set

Property Value

Type: Double
A value greater than zero.
Exceptions

ExceptionCondition
ArgumentOutOfRangeExceptionThe value is less than or equal to zero.
See Also

Reference

LeastSquaresOptimizer Class
Extreme.Mathematics.Optimization Namespace

Copyright (c) 2004-2021 ExoAnalytics Inc.

Send comments on this topic to support@extremeoptimization.com

Copyright © 2004-2021, Extreme Optimization. All rights reserved.
Extreme Optimization, Complexity made simple, M#, and M Sharp are trademarks of ExoAnalytics Inc.
Microsoft, Visual C#, Visual Basic, Visual Studio, Visual Studio.NET, and the Optimized for Visual Studio logo
are registered trademarks of Microsoft Corporation.