Open CASCADE Technology Reference Manual 8.0.0
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Public Member Functions | Data Fields
MathSys::NewtonOptions Struct Reference

Solver options for small-dimension Newton methods. More...

#include <MathSys_NewtonTypes.hxx>

Inheritance diagram for MathSys::NewtonOptions:
Inheritance graph
[legend]

Public Member Functions

 NewtonOptions ()
 Default constructor with strict residual/step tolerances for specialized Newton.
 
- Public Member Functions inherited from MathUtils::Config
 Config ()=default
 Default constructor with standard tolerances.
 
 Config (double theTolerance, int theMaxIter=100)
 Constructor with custom tolerance (sets all tolerances to same value).
 

Data Fields

double MaxStepRatio = 0.5
 Max step as ratio of largest domain size.
 
bool EnableLineSearch = true
 Enable Armijo backtracking line search.
 
bool AllowSoftBounds = false
 Allow slight bounds extension.
 
double SoftBoundsExtension = 1.0e-4
 Extension ratio for soft bounds.
 
- Data Fields inherited from MathUtils::Config
int MaxIterations = 100
 Maximum number of iterations allowed.
 
double Tolerance = 1.0e-10
 General convergence tolerance.
 
double XTolerance = 1.0e-10
 Tolerance for solution change |x_{n+1} - x_n|.
 
double FTolerance = 1.0e-10
 Tolerance for function value |f(x)|.
 
double StepMin = std::numeric_limits<double>::epsilon()
 Minimum step size before declaring convergence or failure.
 

Detailed Description

Solver options for small-dimension Newton methods.

Constructor & Destructor Documentation

◆ NewtonOptions()

MathSys::NewtonOptions::NewtonOptions ( )
inline

Default constructor with strict residual/step tolerances for specialized Newton.

Field Documentation

◆ AllowSoftBounds

bool MathSys::NewtonOptions::AllowSoftBounds = false

Allow slight bounds extension.

◆ EnableLineSearch

bool MathSys::NewtonOptions::EnableLineSearch = true

Enable Armijo backtracking line search.

◆ MaxStepRatio

double MathSys::NewtonOptions::MaxStepRatio = 0.5

Max step as ratio of largest domain size.

◆ SoftBoundsExtension

double MathSys::NewtonOptions::SoftBoundsExtension = 1.0e-4

Extension ratio for soft bounds.


The documentation for this struct was generated from the following file: