Basic Image AlgorithmS Library
2.8.0
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Simple helper class for Levenberg-Marquardt optimization. More...
#include <MathAlgo/LevenbergMarquardtHelper.hh>
Public Member Functions | |
double * | GetBestVars () const |
Returns pointer to internal array of best variables. More... | |
void | Init (int numVars, int numResiduals) |
Relocates internal array of best variables and resets the best solution. More... | |
LevenbergMarquardtHelper () | |
Create empty instance. More... | |
LevenbergMarquardtHelper (int numVars, int numResiduals) | |
Create new instance for given number of variables and objective function residuals. More... | |
bool | Update (const double *x, const double *fvec) |
Add variables and results, and computes the sum of squares. More... | |
~LevenbergMarquardtHelper () | |
Releases the internally stored best variables. More... | |
Protected Attributes | |
int | numResiduals_ |
int | numVars_ |
double | sumOfSquares_ |
double * | vars_ |
Simple helper class for Levenberg-Marquardt optimization.
This class keep track of the best solution computed by a Levenberg- Marquardt optimization.
Definition at line 15 of file LevenbergMarquardtHelper.hh.
LevenbergMarquardtHelper::LevenbergMarquardtHelper | ( | ) |
Create empty instance.
Definition at line 6 of file LevenbergMarquardtHelper.cpp.
References numResiduals_, numVars_, sumOfSquares_, and vars_.
LevenbergMarquardtHelper::LevenbergMarquardtHelper | ( | int | numVars, |
int | numResiduals | ||
) |
Create new instance for given number of variables and objective function residuals.
Definition at line 14 of file LevenbergMarquardtHelper.cpp.
LevenbergMarquardtHelper::~LevenbergMarquardtHelper | ( | ) |
Releases the internally stored best variables.
Definition at line 20 of file LevenbergMarquardtHelper.cpp.
References vars_.
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inline |
Returns pointer to internal array of best variables.
Definition at line 40 of file LevenbergMarquardtHelper.hh.
void LevenbergMarquardtHelper::Init | ( | int | numVars, |
int | numResiduals | ||
) |
Relocates internal array of best variables and resets the best solution.
Definition at line 26 of file LevenbergMarquardtHelper.cpp.
References numResiduals_, numVars_, sumOfSquares_, and vars_.
Referenced by LevenbergMarquardtHelper().
bool LevenbergMarquardtHelper::Update | ( | const double * | x, |
const double * | fvec | ||
) |
Add variables and results, and computes the sum of squares.
Definition at line 37 of file LevenbergMarquardtHelper.cpp.
References numResiduals_, numVars_, sumOfSquares_, and vars_.
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protected |
Definition at line 46 of file LevenbergMarquardtHelper.hh.
Referenced by Init(), LevenbergMarquardtHelper(), and Update().
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protected |
Definition at line 46 of file LevenbergMarquardtHelper.hh.
Referenced by Init(), LevenbergMarquardtHelper(), and Update().
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protected |
Definition at line 45 of file LevenbergMarquardtHelper.hh.
Referenced by Init(), LevenbergMarquardtHelper(), and Update().
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protected |
Definition at line 44 of file LevenbergMarquardtHelper.hh.
Referenced by Init(), LevenbergMarquardtHelper(), Update(), and ~LevenbergMarquardtHelper().