BisectionSolver (Apache Commons Math 3.6.1 API)

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java.lang.Object
- org.apache.commons.math3.analysis.solvers.BaseAbstractUnivariateSolver<UnivariateFunction>
- - org.apache.commons.math3.analysis.solvers.AbstractUnivariateSolver
  - - org.apache.commons.math3.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 and 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

Methods
Modifier and Type Method and Description

protected double doSolve()
Method for implementing actual optimization algorithms in derived classes.
- Methods inherited from class org.apache.commons.math3.analysis.solvers.BaseAbstractUnivariateSolver
  computeObjectiveValue, getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getMax, getMaxEvaluations, 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.apache.commons.math3.analysis.solvers.BaseUnivariateSolver
  getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getMaxEvaluations, getRelativeAccuracy, solve, solve, solve

- Constructor Detail
  - 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 Detail
  - doSolve
```
protected double doSolve()
                  throws TooManyEvaluationsException
```
    Method for implementing actual optimization algorithms in derived classes.
    
    Specified by:
    
    doSolve in class BaseAbstractUnivariateSolver<UnivariateFunction>
    
    Returns:
    the root.
    
    Throws:
    
    TooManyEvaluationsException - if the maximal number of evaluations is exceeded.

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