ru.sstu.math.optim
Class GoldenSectionOptimizer

java.lang.Object
  org.apache.commons.math.ConvergingAlgorithmImpl
      org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer
          ru.sstu.math.optim.GoldenSectionOptimizer

All Implemented Interfaces:

org.apache.commons.math.ConvergingAlgorithm, org.apache.commons.math.optimization.UnivariateRealOptimizer

public class GoldenSectionOptimizer
extends org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer

GoldenSectionOptimizer class optimize functions using "golden section" method.

Since:

Math 1.0

Author:

Denis A. Murashev

Field Summary

Fields inherited from class org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer

functionValue, result, resultComputed

Fields inherited from class org.apache.commons.math.ConvergingAlgorithmImpl

absoluteAccuracy, defaultAbsoluteAccuracy, defaultMaximalIterationCount, defaultRelativeAccuracy, iterationCount, maximalIterationCount, relativeAccuracy

Constructor Summary

GoldenSectionOptimizer()
Creates new instance of optimizer.

GoldenSectionOptimizer(double delta)
Creates new instance of optimizer.

Method Summary

double	optimize(org.apache.commons.math.analysis.UnivariateRealFunction f, org.apache.commons.math.optimization.GoalType goalType, double min, double max)
double	optimize(org.apache.commons.math.analysis.UnivariateRealFunction f, org.apache.commons.math.optimization.GoalType goalType, double min, double max, double startValue)

Methods inherited from class org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer

checkResultComputed, clearResult, computeObjectiveValue, computeObjectiveValue, doOptimize, getEvaluations, getFunctionValue, getGoalType, getMax, getMaxEvaluations, getMin, getResult, getStartValue, setFunctionValue, setMaxEvaluations, setResult

Methods inherited from class org.apache.commons.math.ConvergingAlgorithmImpl

getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, incrementIterationsCounter, resetAbsoluteAccuracy, resetIterationsCounter, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracy

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.commons.math.ConvergingAlgorithm

getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, resetAbsoluteAccuracy, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracy

Constructor Detail

GoldenSectionOptimizer

public GoldenSectionOptimizer()

Creates new instance of optimizer.

GoldenSectionOptimizer

public GoldenSectionOptimizer(double delta)

Creates new instance of optimizer.

Parameters:

delta - delta

Method Detail

optimize

public double optimize(org.apache.commons.math.analysis.UnivariateRealFunction f,
                       org.apache.commons.math.optimization.GoalType goalType,
                       double min,
                       double max,
                       double startValue)
                throws org.apache.commons.math.MaxIterationsExceededException,
                       org.apache.commons.math.FunctionEvaluationException

Specified by:

optimize in interface org.apache.commons.math.optimization.UnivariateRealOptimizer

Overrides:

optimize in class org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer

Throws:

org.apache.commons.math.MaxIterationsExceededException

org.apache.commons.math.FunctionEvaluationException

optimize

public double optimize(org.apache.commons.math.analysis.UnivariateRealFunction f,
                       org.apache.commons.math.optimization.GoalType goalType,
                       double min,
                       double max)
                throws org.apache.commons.math.MaxIterationsExceededException,
                       org.apache.commons.math.FunctionEvaluationException

Specified by:

optimize in interface org.apache.commons.math.optimization.UnivariateRealOptimizer

Overrides:

optimize in class org.apache.commons.math.optimization.univariate.AbstractUnivariateRealOptimizer

Throws:

org.apache.commons.math.MaxIterationsExceededException

org.apache.commons.math.FunctionEvaluationException