BisectionSolver (Hipparchus::Core 3.1 API)

java.lang.Object

org.hipparchus.analysis.solvers.BaseAbstractUnivariateSolver<UnivariateFunction>

org.hipparchus.analysis.solvers.AbstractUnivariateSolver

org.hipparchus.analysis.solvers.BisectionSolver

All Implemented Interfaces:: BaseUnivariateSolver<UnivariateFunction>, UnivariateSolver

public class BisectionSolver extends AbstractUnivariateSolver

Implements the bisection algorithm for finding zeros of univariate real functions.

The function should be continuous but not necessarily smooth.

Constructor Summary

Constructors

Constructor

Description

BisectionSolver()

Construct a solver with default accuracy (1e-6).

BisectionSolver(double absoluteAccuracy)

Construct a solver.

BisectionSolver(double relativeAccuracy, double absoluteAccuracy)

Construct a solver.
Method Summary

Modifier and Type

Method

Description

protected double

doSolve()

Method for implementing actual optimization algorithms in derived classes.

Methods inherited from class org.hipparchus.analysis.solvers.BaseAbstractUnivariateSolver
computeObjectiveValue, getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getMax, getMin, getRelativeAccuracy, getStartValue, incrementEvaluationCount, isBracketing, isSequence, setup, solve, solve, solve, verifyBracketing, verifyInterval, verifySequence

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.hipparchus.analysis.solvers.BaseUnivariateSolver
getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getRelativeAccuracy, solve, solve, solve

Constructor Details
- BisectionSolver
  
  public BisectionSolver()
  
  Construct a solver with default accuracy (1e-6).
- BisectionSolver
  
  public BisectionSolver(double absoluteAccuracy)
  
  Construct a solver.
  
  Parameters:
  
  absoluteAccuracy - Absolute accuracy.
- BisectionSolver
  
  public BisectionSolver(double relativeAccuracy, double absoluteAccuracy)
  
  Construct a solver.
  
  Parameters:
  
  relativeAccuracy - Relative accuracy.
  
  absoluteAccuracy - Absolute accuracy.
Method Details
- doSolve
  
  protected double doSolve() throws MathIllegalStateException
  
  Method for implementing actual optimization algorithms in derived classes.
  
  Specified by:
  
  doSolve in class BaseAbstractUnivariateSolver<UnivariateFunction>
  
  Returns:
  
  the root.
  
  Throws:
  
  MathIllegalStateException - if the maximal number of evaluations is exceeded.