OCC Main Page | ModelingAlgorithms | Toolkits | Packages | Class Hierarchy | Data Structures | File List | Data Fields | Globals

ModelingAlgorithms
TKGeomAlgo
FairCurve


FairCurve_Newton Class Reference

Algorithme of Optimization used to make "FairCurve"
.

#include <FairCurve_Newton.hxx>


Public Member Functions

void * operator new (size_t, void *anAddress)
void * operator new (size_t size)
void operator delete (void *anAddress)
Standard_EXPORT FairCurve_Newton (math_MultipleVarFunctionWithHessian &F, const math_Vector &StartingPoint, const Standard_Real SpatialTolerance=1.0e-7, const Standard_Real CriteriumTolerance=1.0e-2, const Standard_Integer NbIterations=40, const Standard_Real Convexity=1.0e-6, const Standard_Boolean WithSingularity=Standard_True)
 -- Given the starting point StartingPoint,
The tolerance required on the solution is given by
Tolerance.
Iteration are stopped if
(!WithSingularity) and H(F(Xi)) is not definite
positive (if the smaller eigenvalue of H < Convexity)
or IsConverged() returns True for 2 successives Iterations.
Warning: Obsolete Constructor (because IsConverged can not be redefined
with this. )

Standard_EXPORT FairCurve_Newton (math_MultipleVarFunctionWithHessian &F, const Standard_Real SpatialTolerance=1.0e-7, const Standard_Real Tolerance=1.0e-7, const Standard_Integer NbIterations=40, const Standard_Real Convexity=1.0e-6, const Standard_Boolean WithSingularity=Standard_True)
 The tolerance required on the solution is given by
Tolerance.
Iteration are stopped if
(!WithSingularity) and H(F(Xi)) is not definite
positive (if the smaller eigenvalue of H < Convexity)
or IsConverged() returns True for 2 successives Iterations.
Warning: This constructor do not computation
.
virtual Standard_EXPORT Standard_Boolean IsConverged () const
 This method is called at the end of each
iteration to check the convergence :
|| Xi+1 - Xi || < SpatialTolerance/100 Or
|| Xi+1 - Xi || < SpatialTolerance and
|F(Xi+1) - F(Xi)| < CriteriumTolerance * |F(xi)|
It can be redefined in a sub-class to implement a specific test.
.

Private Attributes

Standard_Real mySpTol


Constructor & Destructor Documentation

Standard_EXPORT FairCurve_Newton::FairCurve_Newton math_MultipleVarFunctionWithHessian &  F,
const math_Vector &  StartingPoint,
const Standard_Real  SpatialTolerance = 1.0e-7,
const Standard_Real  CriteriumTolerance = 1.0e-2,
const Standard_Integer  NbIterations = 40,
const Standard_Real  Convexity = 1.0e-6,
const Standard_Boolean  WithSingularity = Standard_True
 

Standard_EXPORT FairCurve_Newton::FairCurve_Newton math_MultipleVarFunctionWithHessian &  F,
const Standard_Real  SpatialTolerance = 1.0e-7,
const Standard_Real  Tolerance = 1.0e-7,
const Standard_Integer  NbIterations = 40,
const Standard_Real  Convexity = 1.0e-6,
const Standard_Boolean  WithSingularity = Standard_True
 


Member Function Documentation

virtual Standard_EXPORT Standard_Boolean FairCurve_Newton::IsConverged  )  const [virtual]
 

void FairCurve_Newton::operator delete void *  anAddress  )  [inline]
 

void* FairCurve_Newton::operator new size_t  size  )  [inline]
 

void* FairCurve_Newton::operator new size_t  ,
void *  anAddress
[inline]
 


Field Documentation

Standard_Real FairCurve_Newton::mySpTol [private]
 


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 13:41:43 2008 for OpenCASCADE by  doxygen 1.4.1