org.apache.commons.math3.analysis.solvers
Class AbstractPolynomialSolver

java.lang.Object
  org.apache.commons.math3.analysis.solvers.BaseAbstractUnivariateSolver<PolynomialFunction>
      org.apache.commons.math3.analysis.solvers.AbstractPolynomialSolver

All Implemented Interfaces:

BaseUnivariateSolver<PolynomialFunction>, PolynomialSolver

Direct Known Subclasses:

LaguerreSolver

public abstract class AbstractPolynomialSolver
extends BaseAbstractUnivariateSolver<PolynomialFunction>
implements PolynomialSolver

Base class for solvers.

Since:

3.0

Version:

$Id: AbstractPolynomialSolver.java 7721 2013-02-14 14:07:13Z CardosoP $

Constructor Summary

protected	AbstractPolynomialSolver(double absoluteAccuracy) Construct a solver with given absolute accuracy.
protected	AbstractPolynomialSolver(double relativeAccuracy, double absoluteAccuracy) Construct a solver with given accuracies.
protected	AbstractPolynomialSolver(double relativeAccuracy, double absoluteAccuracy, double functionValueAccuracy) Construct a solver with given accuracies.

Method Summary

protected double[]	getCoefficients()
protected void	setup(int maxEval, PolynomialFunction f, double min, double max, double startValue) Prepare for computation.

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

computeObjectiveValue, doSolve, getAbsoluteAccuracy, getEvaluations, getFunctionValueAccuracy, getMax, getMaxEvaluations, getMin, getRelativeAccuracy, getStartValue, incrementEvaluationCount, isBracketing, isSequence, 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

AbstractPolynomialSolver

protected AbstractPolynomialSolver(double absoluteAccuracy)

Construct a solver with given absolute accuracy.

Parameters:

absoluteAccuracy - Maximum absolute error.

AbstractPolynomialSolver

protected AbstractPolynomialSolver(double relativeAccuracy,
                                   double absoluteAccuracy)

Construct a solver with given accuracies.

Parameters:

relativeAccuracy - Maximum relative error.

absoluteAccuracy - Maximum absolute error.

AbstractPolynomialSolver

protected AbstractPolynomialSolver(double relativeAccuracy,
                                   double absoluteAccuracy,
                                   double functionValueAccuracy)

Construct a solver with given accuracies.

Parameters:

relativeAccuracy - Maximum relative error.

absoluteAccuracy - Maximum absolute error.

functionValueAccuracy - Maximum function value error.

Method Detail

setup

protected void setup(int maxEval,
                     PolynomialFunction f,
                     double min,
                     double max,
                     double startValue)

Prepare for computation. Subclasses must call this method if they override any of the solve methods.

Overrides:

setup in class BaseAbstractUnivariateSolver<PolynomialFunction>

Parameters:

maxEval - Maximum number of evaluations.

f - Function to solve.

min - Lower bound for the interval.

max - Upper bound for the interval.

startValue - Start value to use.

getCoefficients

protected double[] getCoefficients()

Returns:

the coefficients of the polynomial function.