org.apache.commons.math3.analysis.solvers

Class RiddersSolver

java.lang.Object

org.apache.commons.math3.analysis.solvers.BaseAbstractUnivariateSolver<UnivariateFunction>

org.apache.commons.math3.analysis.solvers.AbstractUnivariateSolver

org.apache.commons.math3.analysis.solvers.RiddersSolver

All Implemented Interfaces:

BaseUnivariateSolver<UnivariateFunction>, UnivariateSolver

public class RiddersSolver
extends AbstractUnivariateSolver

Implements the Ridders' Method for root finding of real univariate functions. For reference, see C. Ridders, A new algorithm for computing a single root of a real continuous function , IEEE Transactions on Circuits and Systems, 26 (1979), 979 - 980.

The function should be continuous but not necessarily smooth.

Since:

1.2

Constructor Summary

Constructors

Constructor and Description
RiddersSolver() Construct a solver with default accuracy (1e-6).
RiddersSolver(double absoluteAccuracy) Construct a solver.
RiddersSolver(double relativeAccuracy, double absoluteAccuracy) Construct a solver.

Method Summary

Methods inherited from class org.apache.commons.math3.analysis.solvers.BaseAbstractUnivariateSolver

getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getMax, getMaxEvaluations, getMin, getRelativeAccuracy, getStartValue, solve, solve, solve

Methods inherited from class java.lang.Object

equals, 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

RiddersSolver

public RiddersSolver()

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

RiddersSolver

public RiddersSolver(double absoluteAccuracy)

Construct a solver.

Parameters:

absoluteAccuracy - Absolute accuracy.

RiddersSolver

public RiddersSolver(double relativeAccuracy,
                     double absoluteAccuracy)

Construct a solver.

Parameters:

relativeAccuracy - Relative accuracy.

absoluteAccuracy - Absolute accuracy.